Note: When ordering parts, you must use the part number as shown for each part, not the item number. Always give
the model and serial number to your parts and service represen tative.
Note: Items sold in bulk such as seals and hoses are sold by the foot.
Using this manual
Illustrations used were current at the time of printing, but subsequent production changes may cause your machine to
vary slightly in detail. Excel Industries, Inc. reserves the right to redesign and change the machine as deemed nece ssary, without notification. If a change has been made to your machine which is not reflected in this parts manual, see
your Hustler dealer for current information and parts.
108604 10/081-1
Hardware Description Codes & Abbreviations
The following codes are used throughout this parts manual. Refer to this list when ordering parts.
HXHex Head
LWLock Washer
MBMachine Bushing
MSMachine Screw
NTNut
SCSelf Tapping Cap Screw
SHSocket Head
SBShoulder Bolt
SSSet Screw
ODOutside Diameter
IDInside Diameter
Standard Torques
The following chart lists the standard torque va lues for the threaded fasteners found in this manual. Torque all cap
screws, nuts and set screws to these values unless a different torq ue is shown in the Notes section n ext to the fastener
13595473595472STEP TREAD
23955333955331FLOOR PLATE
33056153056152STEP TREAD
40866600866602NT .375-16 HX LK NY
57679547679544FW .406 X .812 X .060 SAE HD ZN
60528600528602CS .375-16 X 1.25 HX G5 ZNYC
77818807818802RUBBER BUMPER
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Do not tighten, Floor must be able to pivot on these bolts.
108604 10/082-3
2-4108604 10/08
Chapter 3 Contents
Hydraulic System Installation—Kawasaki 31 HP HT Engine. . . . . . . 3-2
108604 10/083-1
Hydraulic System Installation—Kawasaki 31 HP HT Engine
11
12
26
14
15
15
15
13
30
28
29
16
17
34
33
37
38
18
19
20
19
39
25
27
21
39
1
2
2
6
5
4
36
7
8
9
2
10
23
35
14
15
13
24
31
32
3
5
27
40
22
28
40
3-2108604 10/08
Hydraulic System Installation—Kawasaki 31HP HT Engine
INDEX
NO.
100342720342724NT .312-18 HX G5 ZNYC
117685237685234FW .343 X .687 X .051/.080 HD ZNYC
120559470559472CS .250-20 X .50 HX G5 ZNYC
137880427880422PUMP, HYDRO-GEAR BDP-21L-408
140081930081934NT .500-13 HX G5 ZNYC
1576796276796212FW .531 X 1.063 X .090 SAE HD ZN
167839287839281ZAF SERIES FILTER HEAD
177839367839361FILTER ELEMENT
181096041096041REMOTE AIR MOUNT BRACKET W/A
190778590778598CS .500-13X3.250 HX G5
207893397893391MOTOR, WHITE RC26 CCW
216012606012601MOTOR, WHITE RC26 CW
227004847004842HOSE CLAMP
23601629N/A2HOSE, COOLER-LT RES
24601628N/A2HOSE, LEFT PUMP-COOLER
25601627N/A2HOSE, COOLER-RT RES
26601626N/A2HOSE, RIGHT PUMP-COOLER
27784082N/A2FITTING, #8 BEADED TUBE-ORB 90°
28781534N/A4FITTING, STR-8MORB/-8MSL
29781658N/A1HEX PLUG FITTING, STR-8MORB
30784025N/A1SUCTION HOSE ASSY, FILTER-PUMP
31783993N/A1SUCTION HOSE ASSY, FILTER-PUMP
32788174N/A1FITTING, T -8MJIC/8MJIC
33601687N/A1FITTING, 10 FX05-S
34601631N/A1SUCTION HOSE, #12 16" LONG
35601265N/A1TUBE, LP-BM LT LOOP
36601264N/A1TUBE, RP-TM LT LOOP
37601284N/A1TUBE, RP-TM RT LOOP
38601285N/A1TUBE, LP-BM RT LOOP
39781526N/A4FITTING, 90-10MORB/-8MSL
40784108N/A2FITTING, #6 BEADED TUBE-ORB 45°
SERVICE
PART NO.
17056087056084CS .250-20 X 2.25 HX G5 ZNYC
276851576851510FW .281 X .625 X .051/.080 HD ZNYC
37131987131986SEAL 3/8 X 3/4 X 7.25" LONG
40330350330352WEATHERSTRIP .12 X .75 X 11.75" LONG
57837047837042OIL COOLER
60685510685514NT .250-20 HX NL ZNYC
70327630327631BREATHER CAP
80327710327711STRAINER
93576163576161SUPER Z RESERVOIR
N/A6016161HYDRO KIT (INCLUDES ITEMS 23-40)
MFG. PART
NO.
QTYDESCRIPTION
NOTES:
1. Hydraulic system capacity is 5 US quarts of 20W50 motor oil. Fill
reservoir to within 1"of top of Item 8 (032771 Strainer).
108604 10/083-3
Note:
HYDRAULIC SYSTEM CHARGING PROCEDURE
1. Set handles in the neutral position.
2. Start engine at idle.
3. Let run for a minimum of 30 seconds.
4. Stroke handles to forward position.
5. If motors do not turn in 15 seconds return handles to neutral and
repeat step 3 and 4 (one time).
6. If motors do not turn after second attempt, shut off the engine
and check for oil at the pump.
7. Increase throttle to half speed and work handles through forward
and reverse position until the motor operates smoothly
throughout the entire speed range.
Seal Kit for hydraulic pump; 784983 (BDP21L Overhaul Seal Kit)
176795476795412FW .406 X .812 X .060 SAE HD ZN
27685237685238FW .34 3X .687 X .051/.080 HD ZN/YL
30236550236552NT .312-24 HXZY NL
47829797829792CS .375-16 X 4.75 HX G5 ZN
50631980631984CS 10-24 X .750 HXFLK ZN
67812117812112PUSH BUTTON SWITCH
70598320598324NT #10-24 HX NL ZN
80342720342724NT .312-18 HX G5 ZN
90545020545024NT .375-16 HX GRD 5 ZN
103540353540352WHITE BRAKE LEVER EXTENSION
110051160051164CS .375-16 X 1.375 HX G5 ZN
123503973503972BRAKE LINK TURNBUCKLE
133503303503301L.S. BRAKE PIVOT ARM
147653397653394BUSHING
150866600866602NT .375-16 HX LK NY
167831267831261LH WHITE BRAKE ASSY
177893217893212WHITE HUB ASSEMBLY
180362360362364CS .312-18 X 1.000 HX G5 ZN
19789644N/A2NUT FOR WHITE MOTOR (RC28)
20601344N/A2KEY FOR WHITE MOTOR
217129277129278FW .344 X 1.00 X .12 HRD ZNYC
220488760488768CS .312-18 X .750 HX G8 ZNYC
SERVICE
PART NO.
3502643502641R.S. BRAKE PIVOT ARM
7831187831181RH WHITE BRAKE ASSY
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 280-310 ft.-lbs. Included with wheel motor.
2. Torque to 24 ft.-lbs.
3. 783126 used on left wheel.
4. 783118 used on right wheel.
108604 10/084-7
Steering Assembly
18
7
5
16
5
17
6
1
2
3
4
8
6
15
14
6
9
10
6
11
12
13
14
6
7
18
6
5
4
6
SEE “Steering
Sub-Assembly” on
page 4-10
4-8108604 10/08
Steering Assembly
ITEM
NO.
11106791106791STEERING CONTROL PANEL
27817167817162SS .500-13 X 1.75 SH ZN
30531990531992NT .500-13 HX JAM ZN
40558220558228CS .375-16 X .750 HX G5 ZN
57679547679548FW .406 X .812 X .060 SAE HD ZN
676852376852316FW .34 3X .687 X .051/.080 HD ZN/YL
70236550236554NT .312-24 HXZY NL
87812867812862PUMP ROD ADJUSTER ASSEMBLY
96002216002212CENTERING DAMPENER
107819227819224DAMPENER BALL STUD
110298760298762LW .312 INT-EXT TOOTH Z
123476843476842SUPER Z PUMP ARM
137041637041632CS .250-20 X 2.00 HX G5 ZN
147685157685154FW .281 X .625 X .051/.080 HD ZN/YL
150685510685512NT .250-20 HX NL ZN
163487973487972ADJUSTABLE PIVOT
170362440362446CS .375-16 X 1.000 HX G5 ZN
180342720342724NT .312-18 HX G5 ZN
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
108604 10/084-9
Steering Sub-Assembly
2
18
4
7
6
8
9
14
10
12
13
3
5
11
1
17
10
3
7
3
16
15
19
21
20
1
2
4-10108604 10/08
Steering Sub-Assembly
ITEM NO.
1781260N/A1STEERING BAR GRIP
23487553487551STEERING BAR
376795476795416FW .406 X .812 X .060 SAE HD ZN
40362440362444CS .375-16 X 1.000 HX G5 ZN
57051787051786CS .375-16 X 1.750 HX G5 ZN
60236550236552NT .312-24 HXZY NL
77685237685234FW .343X .687 X .051/.080 HD ZN/YL
83489463489462STEERING ARM MOUNT
93488883488881STEERLEVER SUPPORT LH (SHOWN)
107811537811534BUSHING
117817167817162SS .500-13 X 1.75 SH ZN
127815837815832BRAKE ROD ASSEMBLY
130866600866606NT .375-16 HX LK NY
143488623488624STEERLEVER BUSHING
15601769N/A1GRIP, RH HANDLE LOWER
16601768N/A1GRIP, RH HANDLE END
170536600536601RP .125DX1.000 LG ZN
181106741106741TILT SWITCH HOUSING
191106811106811KEY, TILT SWITCH HANDLE
206017276017271TILT SWITCH WIRE HARNESS
211106801106801STEERING HANDLE W/A
SERVICE
PART NO.
3487143487141STEERLEVER SUPPORT RH
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Includes Item 1 (781260 Steering Bar Grip).
2. Includes Item 15 (601769 Lower Handle Grip) and Item 16 (601768 End
Handle Grip)
108604 10/084-11
Pump Belt and Pulleys Installation
1
4
3
TRACTOR
FRAME
2
1
2
3
4
7
10
11
12
13
15
16
17
18
19
21
5
23
8
7
11
20
9
24
25
26
25
6
11
11
10
14
27
22
4-12108604 10/08
Pump Belt and Pulleys Installation
ITEM
NO.
16014626014621ENGINE PULLEY
22120762120761KEY 1/4 SQ X 1.50 LONG
36013116013111WARNER CLUTCH
47838297838291FW .460 X 1.750 X .250 ZNYC
57856597856591CS .437-20 X 2.50 HX G5 ZNYC
60831960831964SS .312-18X .750 SQ-HD ZN
76014616014612PULLEY BDP-21
87837127837122KEY FOR BDP21L
97912517912511CLUTCH PIGTAIL HARNESS WITH DIODE
100081930081932NT .500-13 HX G5 ZNYC
117679627679624FW .531 X 1.063 X .090 SAE HD ZN
120165270165272CS .500-13 X 1.00 HX G5 ZNYC
133667653667651CLUTCH ANCHOR ANGLE
147849187849182RUBBER BUMPER
153497613497611PUMP IDLER ARM
160154950154951STRAIGHT GREASE FITTING
170252960252961FW .760 X 1.625 X .08 ZN
180611010611011NT .750-10 HX NL ZN
197818567818561IDLER PULLEY
200281180281181FW .62 X 1.00 X.134 ZN
217818727818721CS .625-11 X 1.50 HX G5 ZN
226010166010161IDLER SPRING
236014636014631A-SEC PUMP IDLER BELT
240362360362361CS .312-18 X 1.00 HX G5 ZNYC
257685237685232FW .343 X .687 X .051/.080 HD ZNYC
260342720342721NT .312-18 HX G5 ZNYC
277976547976541FW 1.156X1.750X.250 ZY
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 45-48 ft-lbs.
2. Torque to 12-15 ft-lbs.
3. Apply grease at zerk (see owners manual).
4. Do not torque Item 18 (NT .750-10 HX NL ZN), Item 15 (349761 Pump
Idler Arm) should pivot freely.
5. Electric clutch burnishing procedure: After installing a new clutch it is
important to burnish the clutch to insure maximum deck clutch life. In an
open area with no bystanders set the engine speed to half throttle. Cycle
the deck clutch on for 15 seconds, and then off for 15 seconds. Repeat
this operation 10 times, it will require about 5 minutes to complete.
1601549N/A1KAWASAKI 31 HP ENGINE
21097431097431CABLES HEAT SHIELD
37205167205163CS M8 X1.25 X 16 G10.9 HX
47880187880181MUFFLER
578537878537811.50" MUFFLER CLAMP
66015506015501MANIFOLD, 29/31 KAW
77808417808412KAW MUFFLER GASKET
80170040170045LW .312 MED SPRING ZN
97826647826645NT M8-1.25 HX STAINLESS STEEL
100297510297512CS .375-16 X 1.00 HXFLK ZNYC
117051377051374FW .391 X 1.250 X .060 ZNYC
120168990168992NT .375-16 HX FLK ZNYC
130559390559396CS .250-20 X .75 HX G5 ZNYC
147685157685156FW .281 X .625 X .051/.080 HD ZN/YL
151097481097481HOOD SCOOP
167838377838371ELECTRIC COOLER FAN
171096041096041REMOTE AIR BRACKET
187787387787381.312 WIRING CLAMP
1976852376852312FW .343 X .687 X .051/.080 HD ZN/YL
200342720342724NT .312-18 HX G5 ZN
217965247965241M20X2.5 OIL DRAIN VALVE
220362360362361CS .312-18 X 1.00 HX G5 ZNYC
230342800342803CS .312-18 X .750 HX G5 ZNYC
240362440362444CS .375-16 X 1.00 HX G5 ZNYC
253779943779941HEAT SHIELD, MMZ ROLLER
266012576012571FITTING, 90 1/8NPT BRASS
277889437889431AIR FILTER INDICATOR
280298760298761LW .312 INT-EXT TOOTH ZN
296015556015551XR7 COMMON WIRE HARNESS
306015616015611WIRING HARNESS, KAWASAKI 31
310448180448184CN ZN TIN-C7343-1420
320476540476541CLIP
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Includes mounting hardware.
2. Wires from Item 29 (ATZ 2008 Wire Harness 601555).
3. Wires from Kawasaki 31HP Wiring Harness (601561).
4. Supplied with engine.
5. Engine oil capacity, Refer to engine owner’s manual.
6. Air filter service parts:
601652MAIN AIR FILTER ELEMENT
601653SAFETY AIR FILTER ELEMENT
108604 10/085-3
Fuel System Installation
TRACTOR
1
1
1
1
1
2
3
4
5
5
7
6
8
9
10
12
15
14
13
18
5
7
17
16
15
17
16
5
7
15
6
9
6
5
11
18
FRAME
WITH ENGINE
9
15
2
7
5-4108604 10/08
Fuel System Installation
ITEM
NO.
177930677930623.5" FUEL CAP
27932407932401LEFT SIDE Z FUEL TANK
37932327932321RIGHT SIDE Z FUEL TANK
41067321067321REAR SEAT SUPPORT
571291971291912FW .406 X 1.00 X .12 HRD ZN
67679547679543FW .406 X .812 X .060 SAE HD ZN
705582205582212CS .375-16 X .750 HX G5 ZN
80003980003981CLAMP
90362440362444CS .375-16 X 1.000 HX G5 ZN
100450880450881HOSE CLAMP 1"
113479893479891FUEL SHUT-OFF BRACKET
120158180158181FUEL LINE 50” TOTAL
130158180158181FUEL LINE 39” TOTAL
140158180158181FUEL LINE 7” TOTAL
150003230003236CLIP
167059547059548CS .500-13 X 1.00 HX G5 ZN
177679627679628FW .531 X 1.063 X .090 SAE HD ZN
1879708479708413-WAY FUEL VALVE
2783563N/ATIRE 24 X 12-12 AT101
3784066N/AWHEEL ASSY 12 X 8.50 (ATZ)
4019521N/ATIRE VALVE
50610770610775WHEEL NUT (QTY PER WHEEL)
6601085N/A10½" WHEEL LUG STUD
SERVICE
PART NO.
7894207894201RH TIRE/WHEEL ASSEMBLY
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 65-75 ft. lbs.
2. Inflate tire to 8-12 psi.
108604 10/086-5
Anti-Rollover Wheel Assembly
TRACTOR
FRAME
1
1
4
2
1
3
3
3
3
ITEM
NO.
10682390682392CS .500-13 X 4.500 HX G5 ZN
20319970319972ANTI-SCALP WHEEL
37679627679624FW .531 X 1.063 X .090 SAE HD ZN
47815677815672NT .50-13 HX LK NY
1548453108649172" DECK WACRATED
27986947986941RUBBER CHUTE ASSEMBLY
30528600528608CS .375-19 X 1.250 HX G5 ZN
476795476795426FW .406 X .812 .060 SAE HD ZN
508666008666014NT .375-16 HXZY NL
61030101030101DISCHARGE CHUTE MOUNT BRACKET
7781708N/A6CS .500-13 X 4.25 HX G5 ZN
8767962N/A12FW .531 X 1.063 X .090 SAE HD ZN
9031997N/A6ANTI-SCALP WHEEL
10053199N/A6NT .500-13 HX JAM ZN
117815677815676NT .50-13 HX LK NY
120051160051164CS .375-16X1.375 HX G5
1380848580848545/16-18 THREAD RIVET NUT
143141043141041PUSHER
150154950154952STRAIGHT GREASE FITTING
161031841031842REAR ANTI-SCALP BRACKET
170253950253952CB .375-16 X 1.00 STD CD
1880849380849323/8-16 THREAD RIVET NUT
SERVICE
PART NO.
7881667881666ANTI SCALP WHEEL ASSY
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Do not torque, Item 2 (798694 Discharge Chute) must pivot freely.
2. Includes items 7, 8, 9, and 10.
3. Service part deck includes decals (see “72" & 60" Side Discharge Deck
Decals(XR7)” on page 10-4 for listing of decals).
108604 10/088-3
72" Side Discharge Deck Pulley Assembly (XR7)
1
3
2
16
16
16
18
21
24
20
25
27
26
28
29
19
1
2
7
9
11
12
8
10
5
13
15
15
27
23
INDEXING
14
14
4
3
BELT GUIDE
72" DECK ASSY
17
16
22
6
15
30
8-4108604 10/08
72" Side Discharge Deck Pulley Assembly (XR7)
4
ITEM
NO.
17842077842071B-SECTION BELT
27979107979106CS .312 - 18 X 1.50 FLT SH ZNYC
36014346014342UHMW IDLER SLIDE
40250070250071CS .625 - 11 X 1.75 HX G5 ZNYC
53474433474431DECK BELT IDLER GUIDE
60281180281183FW .62 X 1.00 X .134 ZN
778185678185615.00" IDLER PULLEY
82598120599311CHAIN DECK LIFT SPRING (13 LINKS)
97813027813021IDLER SPRING
103508843508841DECK IDLER
111076201076201RS PULLEY COVER 72" XR7
121076211076211LS PULLEY COVER 72" XR7
130169720169722NT .625 - 11 HX G5 ZNYC
1478138578138526.00" IDLER PULLEY
157974497974494FW .650 X 1.125 X .18 ZNYCG5
1679200279200245/16 - 18 X 3/4" MALE KNOB
170165270165273CS .500 -13 X 1.00 HX G5 ZN
187523867523863CW .515 X 2.25 X .204 ZN
195388505388503DRIVE PULLEY DB-112
2070595470595412CS .500-13 X 1.25 HX G5 ZNYC
2176796276796212FW .531 X 1.063 X .090 SAE HD ZN
227685237685236FW .343 X .687 X .051/.080 HD ZN
230587760587766NT .312 -18 HXZY NL
242124722124723KEY 1/4 SQ X 1.00 LONG
25796235X7962353SPINDLE HOUSING ASSEMBLY
267987027987023BLADE, F24.50" -H-F-CW
277824747824745CW .631 2.250 X .187 PNT
287692577692571FW .656 X 1.250 X .250 ZNYC
290299340299343CS .625 -11 X 3.00 HX G5 ZNYC
307837387837382CS .625-11 X 3.00 FULL HX G5 ZN
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 118 ft. lbs.
2. Torque to 67-75 ft. lbs.
3. See “72" Side Discharge Belt Routing and Tensioning” on page 9-4 for
belt tensioning.
4. See “Spindle Assembly–796235” on page 8-16 for breakdown.
108604 10/088-5
60" Side Discharge Deck Assembly
3
4
4
9
10
10
16
7
1
7
7
11
9
9
10
8
7
9
11
11
7
4
5
2
4
6
5
16
15
12
12
18
12
12
1
3
4
4
8
9
10
7
8
9
11
13
4
4
5
14
14
14
4
4
14
4
5
8
10
8
11
8
13
11
17
8-6108604 10/08
60" Side Discharge Deck Assembly
3
2
ITEM NO.
1548438108501160" DECK W/A CRATED
27986947986941RUBBER CHUTE ASSEMBLY
30528600528608CS .375-16 X 1.25 HX G5
476795476795426FW .406 X .812 X .060 SAE HD ZN
508666008666014NT .375-16 HX LK NY
61030101030101DISCHARGE CHUTE MOUNT BRACKET
7781708N/A6CS .500-13 X 4.25 HX G5 ZN
8767962N/A12FW .531 X 1.063 X .090 SAE HD ZN
9031997N/A6ANTI-SCALP WHEEL
10053199N/A6NT .500-13 HX JAM ZN
117815677815676NT .50-13 HX LK NY
1280848580848545/16-18 THREAD RIVET NUT
131031841031842REAR ANTI-SCALP BRACKET
140051160051164CS .375-16 X 1.375 HX G5 ZNYC
153141043141041PUSHER
160154950154952STRAIGHT GREASE FITTING
1780849380849323/8-16 THREAD RIVET NUT
180253950253952CB .375-16 X 1.00 STD CD
SERVICE
PART NO.
7881667881664ANTI SCALP WHEEL ASSY
MFG.
PART NO.
QTY.DESCRIPTION
NOTES:
1. Do not torque, Item 2 (798694 Discharge Chute) must pivot freely.
2. Includes items 7, 8, 9, and 10.
3. Service part deck includes decals (see “72" & 60" Side Discharge Deck
Decals(XR7)” on page 10-4 for listing of decals).
108604 10/088-7
60" Side Discharge Deck Pulley Assembly (XR7)
1
2
3
BELT GUIDE
INDEXING
11
14
18
20
21
17
24
25
26
27
29
10
8
1
2
4
9
16
12
5
7
15
13
13
14
14
16
16
16
19
22
23
30
3
60" DECK ASSY
27
15
15
15
28
6
8-8108604 10/08
60" Side Discharge Deck Pulley Assembly (XR7)
4
ITEM
NO.
17977207977201B-SECTION BELT
27979107979106CS .312-18 X 1.50 FLT SH ZNYC
36014346014342UHMW IDLER SLIDE
40250070250071CS .625-11 X 1.75 HX G5 ZNYC
53474433474431DECK BELT IDLER GUIDE
60281180281183FW .62 X 1.00 X.134 ZN
778185678185615.00" IDLER PULLEY
83731910599311SIDE MOUNT CHAIN (21 LINKS)
97813027813021IDLER SPRING
103508843508841DECK IDLER
111031921031921RS 60" XR7 PULLEY COVER
121032001032001LS 60" XR7 PULLEY COVER
130169720169723NT .625-11 HX G5 ZNYC
1478138578138536.00" IDLER PULLEY,
157974497974496FW .650 X1.125 X.18 ZNYCG5
1679200279200245/16-18 X 3/4"MALE KNOB
170165270165273CS .500-13 X 1.00 HX G5 ZN
187523867523863CW .515 X 2.25 X .204 ZN
197708427708423DECK DRIVE PULLEY
2070595470595412CS .500-13 X 1.25 HX G5 ZNYC
2176796276796212FW .531 X 1.063 X .090 SAE HD ZN
227685237685236FW .343 X .687 X .051/.080 HD ZN
230587760587766NT .312-18 HXZY NL
242124722124723KEY 1/4 SQ X 1.00 LONG
25796235X7962353SPINDLE HOUSING ASSEMBLY
267946857946853BLADE, F20.50" H-F-CW
277824747824746CW .631 2.250 X .187 PNT
287692577692571FW .656 X 1.250X.250 ZNYC
290299340299343CS .625-11 X 3.00 HX G5 ZNYC
307837387837383CS .625-11 X 3.00 FULL HX G5 ZN
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 118 ft. lbs.
2. Torque to 65-75 ft. lbs.
3. See “60" Side Discharge Belt Routing and Tensioning” on page 9-5 for
belt tensioning.
4. See“Spindle Assembly–796235” on page 8-16 for breakdown.
1003624403624416CS .375-16 X 1.00 HX G5 ZN
11352591352591160" REAR DISCHARGE FRONT ANGLE
12781708N/A4CS .500-13 X 4.25 HX G5 ZN
13767962N/A8FW .531 X 1.063 X .090 SAE HD ZN
14053199N/A4NT .500-13 HX JAM ZN
157815677815674NT .50-13 HXZY NL
16031997N/A4ANTI-SCALP WHEEL
171094861094861CLAMP ANGLE LS
181094871094871CLAMP ANGLE RS
196014836014832SIDE FLAP RUBBER
201067161067162ANGLE, DISCHARGE CHUTE
216002546002542RD REAR FLAP
223516763516762DECK STIFFENER ANGLE
231094821094821CHUTE BRACKET RS
241094831094831CHUTE BRACKET LS
257783997783992FW .781 X 1.375 X .250 ZNYC
260162530162534CB .312-18 X .750 FUL ZN
2705877605877610NT .312-18 HXZY NL
280378870378876CB .312-18 X 1.000 FUL Z
291094851094851GUARD MTG ANGLE
3079288779288715/16-18 HX TH RIVET NUT
SERVICE
PART NO.
1549576110402160" REAR DISCHARGE DECK
21094841094841DISCHARGE SHIELD
376852376852310FW .343 X .687 X .051/.080 HD ZN
40866600866606NT .375-16 HX LK NY
576795476795422FW .406 X .812 X .060 SAE HD ZN
67101947101946CB .375-16 X 1.50 STD G5
76010696010693CN .312-18X.200
80154950154952STRAIGHT GREASE FITTING
93498033498031PUSHER
7881667881664ANTI SCALP WHEEL ASSEMBLY
MFG.
PART NO.
QTY.DESCRIPTION
NOTES:
1. Factory assembled in top hole for shipping purposes.
2. Includes Items 12 through 14 and 16.
3. Service part deck includes decals, see “72" & 60" Side Discharge Deck
Decals(XR7)” on page 10-4.
108604 10/088-13
60" Rear Discharge Deck Pulley Assembly
1
1
6
2
10
21
5
5
6
19
7
8
9
16
5
4
22
32
19
19
22
23
28
23
22
31
2
3
30
26
27
17
3
5
1
12
19
20
13
18
20
6
8
22
18
5
6
21
8
24
27
24
6
5
25
29
2
9
15
23
33
11
14
8-14108604 10/08
60" Rear Discharge Deck Pulley Assembly
5
4
ITEM
NO.
1795781795781160" REAR DISCHARGE DECK BELT
21104111104111PULLEY COVER, RH,60"
31104121104121PULLEY COVER, LH,60"
47944467944461CS .625-11X1.500 HX G5 Z
50281180281187FW .62 X 1.00 X .134 ZN
679671479671456" HB IDLER PULLEY RD
77815677815671NT .500-13 HX G8 ZY NL
876796276796213FW .531 X 1.063 X .090 SAE HD ZN
97708677708672BUSHING, PLAS .750X1(FS)
101095491095491BUSHING, IDLER PIVOT
116002966002961DECK IDLER SPACER
121099481099481IDLER ARM W/A
136017796017791IDLER SLIDE UHMW
147979107979102CS .312-18X1.50FLT SH ZY
157047597047591FW .500X 1.250X.075 ZNY
167813027813021IDLER SPRING
172598120599311DECK LIFT CHAIN (13 LINKS)
180169720169724NT .625-11 HX G5 ZNYC
1901652701652715CS .500-13 X 1.00 HX G5 ZN
207523867523863FW .510 X 1.75 X .18 ZN
217708427708423B-SECTION PULLEY
2279200279200245/16-18 X 3/4" MALE KNOB
237824747824745CW .631 X 2.250 X .187 PNT
247837387837382CS .625-11X3.00 FULL HX G5 ZN
25796680X7966801REAR DISCHARGE DECK SPINDLE ASSEMBLY
26796235X7962352DECK SPINDLE ASSY
272124722124723KEY 1/4 SQ X 1.00 LONG
286009016009012BLADE, F20.50"-L-F-CW
297956337956331BLADE, F20.50"-L-F-CCW
307967227967221CS .625-11 X 3.00 LH HX G
310299340299342CS .625-11 X 3.00 HX G5 ZNYC
327685237685231FW .343X.687X.051/.080H
330587760587761NT .312-18 HXZY NL
SERVICE
PART NO.
MFG.
PART NO.
QTY.DESCRIPTION
NOTES:
1. Torque to 118 ft. lbs.
2. Torque to 65-75 ft. lbs.
3. See “60" Rear Discharge Belt Routing and Tensioning” on page 9-6 for
belt tensioning.
4. See “Spindle Assembly–796235” on page 8-16 for breakdown.
5. See “Spindle Assembly–796680” on page 8-17 for breakdown.
96018156018151BATTERY DECAL
106009416009411PATENTS DECAL
11N/A0832791TURF PRODUCT SERIAL NO PLATE
127271727271721MADE IN USA DECAL
137825737825731FIRST ZERO TURN DECAL
147935887935881HUSTLER NAME PLATE
157826157826151SUPER Z ID DECAL
166017916017911ATZ SAFETY DECAL
This safety alert symbol is used to call attention to a message intended to provide a reasonable degree of
PERSONAL SAFETY for operators and other persons during the normal operation and servicing of this
equipment.
DANGER – denotes immediate hazards which WILL result in severe personal injury or death.
WARNING – denotes a hazard or unsafe practice which COULD result in severe personal injury or death.
This manual uses two other words to highlight information. IMPORTANT calls attention to special
mechanical information and NOTE: emphasizes general information worthy of special attention.
All operators should read this manual, or be instructed about safe operating and maintenance procedures .
This is the owner’s responsibility.
Improper use or maintenance by the operator, mechanic, or owner can result in injury. To reduce
the potential for injury , comply with these safety instructions and always p ay at tention to the safety
alert
symbol, which means DANGER or WARNING – “personal safety instructions.” Failure to
comply with the instructions may result in personal injury or death.
Incorrect usage of this machine may result in severe injury. Personnel operating and maintaining it
should be trained in the proper use and should read the manuals comp letely and thoroughly befor e
attempting to set-up, operate, adjust, or service this machine.
The Quick Reference Decals, located in front of and to the right of the seat, are designed to give the
operator/mechanic brief information needed in the daily operation and service of the machine. These
decals are not intended to be used in place of this ma nu al but in stead i s to be used as an extension o f this
manual. These decals should not be removed or obliterated. Replace these decals if they become
unreadable.
It is the owner’s responsibility to make certain that the operator/mechanic reads and understands this
manual and all decals before operating this machine. It is also the owner’s responsib ility to make certain
that the operator/mechanic is a qualified and physically able ind ivid ual , p roper ly trained in the oper ation of
this equipment. Local regulations may restrict the age of the operator/mechanic.
The owner should also ensure that the operator/mechanic knows that they are responsible for their own
safety as well as the safety of other persons within the vicinity. Remember, the operator/mechanic is
responsible for accidents or hazards occurring to other people or their property.
Safe Maintenance & Adjustment Practices
This product is capable of amputating hands and feet and th rowing objects. Always follow all safety
instructions to avoid serious injury or death.
Unless specifically required, DO NOT have engine running when servicing or making adjustments to
tractor. Place control le vers in the park brake position, disengage deck clutch, remove ignition switch
key and disconnect the negative battery cable. Repairs or maintenance re quiring engine power should
be performed by trained personnel only. To prevent carbon monoxide poisoning, be sure proper
ventilation is available when engine must be operated in an enclosed area.
Follow daily and weekly checklists, making sure hoses are tightly secured and bolts are tightened.Keep your machine clean and remove any deposits of trash and clippings, which can cause engine
fires and hydraulic overheating as well as excessive belt wear. Clean up oil or fuel spillage. Allow
machine to cool before storing.
108604 10/0812-3
Clean flammable material from machine. Prevent fires by keeping engine compartment,
battery, hydraulic lines, fuel line, fuel tank and operator’s station clean of accumulated trash,
grass clippings, and other debris. Always clean up spilled fuel and oil.
Always wear adequate ear protection, such as earplugs, when operating this equipment as prolonged
exposure to uncomfortable or loud noises can cause impairment or loss of hearing. Do not wear
radios or music headphones while operating the machinery. Safe operation requires your full
attention.
Never put hands or feet under any part of the machine while it is running.Except when changing or checking belt, always keep belt covers on mower for safety as well as
cleanliness.
Stop the e ngine before removing the grass catcher or unclogg ing the discharge chute. Never clear the
discharge chute with the engine running. Turn off the engine and be sure the blades have stopped
before cleaning. Use a stick to clear a plugged discharge area. Never use your hand!
Exercise caution when loading or unloading the machine onto a trailer or truck.Always wear safety goggles or safety glasses with side shields when operating the mower .Never leave machine unattended with ignition key in switch, especially with children present. Be alert and turn the machine off if children enter the area.Always wear adequate eye protection when servicing the battery, hydraulic system, cooling system or
when grinding mower blades and removing accumulated debris.
Use extra caution when handling gasoline and other fuels. They are flammable and vapors are
explosive.
Never refuel tractor while engine is running; never refuel near an open flame or near devices which
can create a spark. Refuel outdoors preferably, or in well ventilated areas.
Never attempt to start engine when there is a strong odor of gasoline fumes present. Locate and
correct cause.
Never run the engine in an enclosed area unless exhaust is vented to the outside. Exhaust gases
contain carbon monoxide which is odorless and deadly poison.
Never attempt to make any adjustments or repairs to the tractor drive system, mower deck or any
attachment while the tractor engine is running or deck clutch is engaged. Repairs or maintenance
requiring engine power should be performed by traine d personnel only.
Never work under the machine or attachment unless it is safely supported with jack stands. Make
certain machine is secure when it is raised and placed on the jack stands. The jack st a nds should not
allow the machine to move when the engine is running and the drive wheels are rotating. Use only certified jack stands. Use only appropriate jack stands, with a minimum weight rating of 2000
pounds to block the unit up. Use in pairs only. Follow the instructions supplied with the vehicle stands.
Before working on or under the deck, make cert ain engine cannot b e accidenta lly started. Shut eng ine
off and remove ignition switch key for maximum safety. Repairs or maintenance requiring engine
power should be performed by trained personnel only.
Use a stick or similar instrument to clean under the mower making sure that no part of the body,
especially arms and hands are under mower.
Exercise caution when working under the deck as the mower blades are extremely sharp. Wearing
gloves or wrapping the blade(s) is advisable when working around or with the blades.
Do not touch hot parts of machine.Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good condition.Never tamper with safety devices. Check their proper operation regularly.Grass collection system components are subject to wear, damage and deterioration, which could
expose moving parts or allow objects to be thrown. Frequently check components and replace with
manufacturer’s recommended parts, when necessary.
Use only genuine Hustler replacement parts to en sure that original standards are maintained.
12-4108604 10/08
Using a ramp
Use extreme caution when loading and unloading a unit with a ramp.Use only a single, full width ramp; do not use individual ramps for each side of the unit. Having a full
width ramp provides a surface for the tractor frame to contact if the unit starts to tip backwards. It also
reduces the risk of a wheel going off and the machine tipping over.
Do not exceed a 15 degree angle between the ramp and the ground or between the ramp and the
trailer or truck.
When on a ramp avoid sudden acceleration
Safety and Instruction Decals
Specific safety warning decals are located on the equipment near the immediate areas of potential
hazards. These decals should not be removed or obliterated. Replace them if they become nonreadable.
The following illustrations show the various safety decals that are located on the machine. A brief explanation, for those requiring one, is shown to help the operator understand the meanings of these decals.
108604 10/0812-5
3
2
16
8
11
11
10
6
6
12
7
12
9
4
1. Engine Oil Fill & Dipstick
2. Fuel Filter
3. Engine Air Cleaner
4. Engine Oil Drain Plug
5. Battery
6. Fuel Tanks
7. Hydraulic Oil Reservoir
8. Hydraulic Oil Filter
9. Gauge Wheel Bearing Zerks (2)
10. Engine Oil Filter
11. Deck Height Pivot Zerks (4)
12. Park Brake Switch (2)
13. Drive Tire
14. Pump Idler Zerk (1)
15. Pump Belt
16. Hydraulic Oil Heat Exchanger
MAINTENANCE LOCATOR CHART
9
5
11
13
13
14
15
1
Viewed from bottom of tractor
Maintenance
FIG. 1
12-6108604 10/08
1
3
2
4
1. Deck Pusher Arm Zerks (2)
2. Deck Belt
3. Spindle Housing Zerk (3)
4. Blades
MAINTENANCE LOCATOR CHART
72" XR-7 deck
1
3
3
4
2
4
4
60" XR-7 deck
3
3
3
1
1
1
1
2
3
3
3
4
4
60" Rear Discharge deck
FIG. 2
108604 10/0812-7
SERVICE AT INTERVALS INDICATE D
Verify safety start interlock system
Visually inspect unit for loose hardware and/or
damaged parts
Visually inspect ti res
Check oil level, engine (1)
Clean air intake screen (5)
Clean oil heat exchanger (5)
Check & clean engine compartment
Check air cleaner service indicator
Check fuel level
Blades - sharpen & securely fastened
Discharge chute - securely in place & in lowest
position
Clean engine and pump compartment
Replace air cleaner paper element (5)
Grease deck idler
Grease deck pusher arms
Grease pump idler
Grease deck height pivots
Grease gauge wheel bearings
Change engine oil and filter (1) (4)
Clean cylinder and head fins(a)
Check battery connections
Check tire pressure with a gauge
Check hydraulic oil level
Clean engine exterior (a)
Clean & regap spark plugs (a)
Check pump and deck belt tension and condition (6)
Check fuel and hydraulic lines (7)
Check fuel valve and grommet (7)
Tighten lug nuts on wheels (2)
Change fuel filter
Clean or replace hydraulic fill cap
Change hydraulic oil and filter (3)
Grease deck spindle housings
Replace spark plugs
WEEKLY OR 50
HOURS
X
X
X
X
X
X
X
X
X
X
X
MONTHLY OR 100
HOURS
Daily
Daily
Daily
Daily or every 4 hours
Daily or every 4 hours
Daily or every 4 hours
Daily or every 4 hours
Every 8 hrs.
Daily
Daily
Daily
Daily
As needed
X
X
X
X
X
ANNUALLY OR 500
HOURS
X
X
X
X
X
NOTES:
1. Initial oil change is after 5 hours of operation. Thereafter, change oil after every 40 hours operation.
Change more often under dusty or dirty conditions and during hot weather periods.
2. Torque initially and after first 2 hours of operation.
3. Perform initial hydraulic filter change after 50 hours (one week) of operation.
4. Change engine oil filter per the engine manufacturer’s recommendations. Refer to Engine Owner’s
Manual for recommendations and other maintenance items.
5. Service more often under dusty or dirty conditions. Use caution when servicing to prevent dust
contamination in the engine. Do not clean filter element. Replace with a new one.
6. Pump drive belt only - Inspect every 100 hours and replace if worn or cracking is noticed. Otherwise,
replace every 400 hours or 2 years whichever comes first.
7. Check fuel line hoses, fuel valve and grommets for any cracks or leaks
8. Clean more often under dirty or dusty conditions and during hot weather.
9. Do not clean filter element. Replace with a new one.
Regular maintenance is the best prevention for costly downtime or expensive, premature repair. The
following pages contain suggested maintenance information and schedules which the operator should
follow on a routine basis.
Remain alert for unusual noises, they could be signaling a problem. Visually inspect the machine for any
abnormal wear or damage. A good time to detect potential problems is while performing scheduled
maintenance service. Correcting the problem as quickly as possible is the best insurance.
Clear away heavy build-up of grease, oil and dirt, especially in the engine and hydraulic reservoir areas;
minute dust particles are abrasive to close-tolerance engine and hydraulic assemblies.
Daily inspect mower for grass clippings and wire and string tangles. The underside of the mower deck
will collect a build-up of grass clippings and dirt, especially when grass is wet or has high moisture content.
This build-up will harden, restricting blade and air movement and will probably show a poorer quality of
cutting. Therefore it should be removed routinely.
To do this it will be necessary to raise and block the deck in the full up position, using jack stands or blocks,
and scrape the build-up from underneath.
Some repairs require the assistance of a trained service mechanic and should not be attempted by
unskilled personnel. Consult your Hustler service center when assistance is needed.
TORQUE VALUES
WARNING: Particular attention must be given to tightening the drive wheel lug nuts, wheel motor nuts
and blade spindle bolts. Failure to correctly torque these items may result in the loss of a wheel or
blade, which can cause serious damage or personal injury.
It is recommended that these be checked after the first 2 hours of operation initially, every 50 hours, and
following removal for repair or replacement.
For all other torques refer to the various tractor parts manuals for standard torque charts.
NOTE:For engine torque values, see engine owner’s manual.
TIRES
It is important for level mowing that the tires have the same amount of air pressure. The recommended
pressures are:
The bar tread tires are reversed from what is considered the normal operating position. this allows for better traction when backing up a slope.
108604 10/0812-9
Solid fill tires are not recommended for Hustler turf equipment. On any machine, with solid filled tires,
HOUR
METER
the warranty claim will be denied.
WARNING: Explosive separation of a tire and rim can cause serious injury or death.
Do not attempt to mount a tire without the proper equipment and experience to perform the task.
Always maintain the correct tire pressure and never over inflate.
Never weld or heat a wheel and tire assembly as an explosion may occur. Welding can weaken or
deform a wheel.
When inflating tires, stand to one side and not in front of or over the tire assembly.
Check tires for low pressure, blemishes, damaged rims or missing lug bolts and nuts.
HOUR METER
To recognize when your machine needs servicing, check the hour meter and the maintenance schedule.
The hour meter shows the number of hours the engine has run, and the maintenance schedule lists the
service intervals. "FIG. 3"
.
FIG. 3
LUBRICATION
1. Grease the front gauge wheel bearings per the Maintenance Schedule. Use SAE multi-purpose grease.
2. Grease the four deck lift pivots, located to the side of the operator’s footrest per the Mainten ance
Schedule. Use SAE multi-purpose grease.
3. Grease the deck idler per the Maintenance Schedule. Use SAE multi-purpose grease.
4. Grease the pump idler per the Maintenance Schedule. Use SAE multi-purpose grease.
5. Grease the two deck pusher arm pivots per the Maintenance Schedule. Use SAE multi-purpose grease.
6. Grease the blade spindle assemblies per the Maintenance Schedule. The spindle assemblies require
lubrication annually. Each spindle shaft is equipped with a grease zerk located under the deck. Use no
more than one or two ounces of SAE multi-purpose grease, (1 to 2 pumps on an average grease gun). Do
not force lubricant into grease zerks. Bearings are sealed and do not require much lubricant.
ELECTRICAL SYSTEM
The electrical system is a 12-volt, negative ground. Recommended battery size is a garden tractor BCI
group U1R with 225 or better cranking AMP rating. A maintenance-free battery is recommended. Otherwise, follow battery manufacturer’s maintenance, safety, storing and charging specificat ions.
12-10108604 10/08
The battery is located under the seat platform "FIG. 4".
BATTERY
FIG. 4
WARNING: Battery posts, terminals, and related accessories contain lead and lead compounds,
chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after
handling.
WARNING: Avoid skin and clothing contact with battery acid.
Always wear eye protection when checking the battery , acid can cause serious injury to skin and eyes.
If contact occurs, flush area with clean water and call physician immediately. Acid will also damage
clothing.
Do not drink the battery electrolyte.
Do not allow open flame near the battery when charging.
Hydrogen gas forms inside the battery. This gas is both toxic and flammable and may cause an
explosion if exposed to flame.
Always remove the negative ground first and replace it last.
Do not overfill battery.
Electrolyte may overflow and damage paint, wiring or structure. When cleaning the battery, use soap
and water. Be careful not to get soap and water into the battery. Clean the battery terminal s with a
solution of four parts water and one part baking soda when they become corroded.
WARNING: Shorts caused by battery terminals or metal too ls touching m etal tractor compon ents can
cause sparks. Sparks can cause a battery gas explosion which will result in personal injury.
Prevent the battery terminals from touching any metal tractor parts when removing or installing the
battery.
Do not allow metal tools to short between the battery terminals and metal tractor parts.
WARNING: Incorr ect battery cable routing could cause dam age to the tractor and battery cables. This
can cause sparks which can cause a battery gas explosion which will result in personal injury.
Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable.
Always connect the positive (red) battery cable before connecting the negative (black) cable.
Common circuit failures are usually caused by shorting, corroded or dirty terminals; loose connections,
defective wire insulation or broken wires. Switches, solenoids and ignition components may also fail,
causing a shorted or open circuit.
108604 10/0812-11
Before attempting any failure diagnosis of the electrical system, use a test light or voltmeter to check the
SEAT PLATFORM
CHECK
SEAT PLATFORM
CONTROL LEVER
battery voltage. If the battery voltage is satisfactory, check the cleanliness and tightness of the terminals
and ground connections. A general understanding of electrical servicing and use of basic test equipment
is necessary for troubleshooting and repair.
Major overhaul or repair of the starting motor or charging system should be performed by trained
technicians only.
ACCESS TO ENGINE AND HYDRAULIC PUMPS
The hydraulic pumps are accessed by lifting the seat pla tfo rm. The seat platfor m is hinged at the front. To
raise it, release seat latch and tilt seat platform up and forward.The seat platform catch ("FIG. 5") will
prevent the seat from going all the way over. However, if more access is desired under the seat platform,
the seat platform catch can be raised allowing the seat to pivot more. Make certain to place the control
arms in the park brake position and pivot the arm rests upward before placing the seat platform in
the full forward position to prevent arm rest damage.
HYDRAULIC SYSTEM
Before applying pressure to hydraulic system, make sure all connections are tight and all hoses and lines
are in good condition. To find a leak under pressure , use a pie ce of car dboar d or wo od — never use your
hands. Relieve all pressure in the system before disconnecting or working on hydraulic lines. To relieve
pressure, lower all attachments and shut off engine.
The 1.0 U.S. gallon (3.79 liter) hydraulic reservoir is lo cate d in front of the engine an d under the operator’s
platform "FIG. 6".
Check oil level in hydraulic system after every 50 hours of operation or weekly, whichever occurs first.
Check more often if system appears to be leaking or otherwise malfunctioning.
Fluid level should be 1” from top of reservoir. Use only SAE 10W40 SG, SF/CC, CD service motor oil.
Change hydraulic system filter element ("FIG. 6") after first 50 hours of tr actor ope ratio n, then replace filter
and oil in reservoir every 500 hours thereafter. When changing hydraulic oil use 1/2 unit (approximately
3.5 oz.) of Lubrizol additive (Hustler P/N 027912). This additive, available from your Hustler dealer, will
increase the performance life of the hydraulic system components.
FIG. 5
WARNING: Always wear adequate eye protection when servicing the hydraulic system and batt er y.
IMPORTANT: Never use hydraulic or automatic transmission fluid in this system; use only motor oil as
specified. Remember, dir t is the primary enemy of any hydraulic system.
WARNING: Hydraulic oil escaping under pressure can penetrate skin. Hydraulic oil may cause infec-
tion in a minor cut or opening in the skin. If exposed to hydraulic fluid, see a doctor at once.
12-12108604 10/08
The system filter is located directly in front of the hydraulic reservoir. A st an dar d oi l filter wrench is used to
HYDRAULIC RESERVOIR
HYDRAULIC FILTER
COOLING FAN
ENGINE
HEAT
EXCHANGER
change filter, threads are right handed. Use a Hustler approved filter element o n ly.
FIG. 6FIG. 7
IMPORTANT: Prefill the filter element with clean oil, before installing, to prevent drawing air into the
system pump.
1. Fill the filter element with clean system oil. Smear a light coating of oil on upper surface of rubber seal.
2. Install the filter element on base. Tighten the oil filter by hand until the filter seal makes contact with the
filter head, then tighten an additional 3/4 - 1 turn with an oil filter wrench. — DO NOT OVERTIGHTEN.
3. Start tractor engine and let run at approximate ly 2/3 throttle for a few minutes to work any trapped air out of
the system before engaging the steering control lever.
4. Stop the engine and check the filter and connections for leaks.
5. Check the hydraulic reservoir for specified oil level. Add clean oil as necessary.
Clean or replace hydraulic reservoir cap annually. Cap may be cleaned by dipping in or flushing with
cleaning solvent. Follow manufacturer’s instructions and warnings for application of solvent type selected.
A hydraulic oil heat exchanger is installed on the Super Z. This heat exchanger is designed to keep
hydraulic system oil temperature lower in hot operating conditions or heavy continuous operating
conditions.
This hydraulic heat exchanger is located above the engine. Air is drawn across the cooling fins by an
electric fan located above the heat exchanger "FIG . 7".
Never force anything into the heat exhanger fins which may bend or distort them. For cleaning, use
compressed air or pressurized water only.
108604 10/0812-13
FUEL SYSTEM
FUEL TANK
FUEL FILTER
DANGER: Observe usual fuel handling precautio ns :
Do not smoke while refueling.
Do not fill tank with engine running or while engine is hot. Clean up any gasoline spills.
Allow engine to cool before storing machine inside a building.
Keep fuel away from open flame or spark and store machine away from open flame or spark if there is
fuel in the tank.
Use extra caution when handling gasoline and other fuels. They are flammable and vapors are
explosive. A fire or explosion from gasoline can burn you and others and can damage property.
Refuel outdoors preferably, or in well ventilated areas.
Never attempt to start engine when there is a strong odor of gasoline fumes present. Locate and
correct cause.
Store gaso line in an approved cont a iner and keep it out of th e reach of childre n. Never buy more tha n
a 30 day supply of gasoline.
Always place gasoline containers on the ground away from your vehicle before filling.
Do not fill gasoline containers inside a vehicle or on a truck or trailer as interior carpet s or plastic truck
bed liners may insulate the container and slow the loss of any static charge.
When practical, remove equipment from the truck or trailer and refuel the eq uipment with its wheels o n
the ground. If this is not possible, then refuel the equipment on the truck or trailer using a portable
container and not a gasoline dispenser no zzle. If a gasoline disp enser nozzle must be used, keep the
nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete.
WARNING: Gasoline is harmful or fatal if swallowed.
Long-term exposure to vapors can cause serious injury and illness.
Avoid prolonged breathing of vapors.
Keep face away from nozzle and gas tank or conditioner opening.
Keep gas away from eyes and skin.
FIG. 8FIG. 9
12-14108604 10/08
The fuel tanks are located in the tractor’s fenders. ("FIG. 8") Total capacity for the fuel tanks is 15 U.S.
LEFT TANK
POSITION
SHOWN
POSITION
VALVE
CLOSED
RIGHT TANK
POSITION
gallon (56.8 liter)
Use regular unleaded gasoline with an octane rating of 87 or higher.
The fuel filter ("FIG. 9") is installed in the fuel line between fuel tanks and engine fuel pump. Replace filter
annually or after every 500 hours of operation, wh ichever occurs first.
When replacing the fuel filter, check the fuel line hoses and fuel shut-off valve grommet for any cracks or
leaks. Replace as needed.
Hustler A TZ tractors are equipped with a fuel shutof f valve located on the right fuel tank mount ("FIG. 10").
Rotate the valve to the middle position (shown) to prevent fuel flow to the fuel pump. The forward position
allows fuel to flow from the right fuel tank to the fuel pump. The rear position allows fuel to flow from the
left fuel tank to the fuel pump. Close this valve to prevent fuel flow to the engine when servicing the fuel
system or when transporting the unit on a trailer or truck.
FIG. 10
ENGINE OIL AND FILTER
Check engine oil daily and after every 4 hours of operation. Crankcase dipstick and oil filler tube are
located at the rear of the machine ("FIG. 11"). Tractor must be sitting level when checking oil. Refer to
engine manual and maintenance schedule for oil recommendation and capacities.
Change the engine oil and filter after the first 5 hours of operation, per the engine manufacturer’s
recommendations after that. If tractor is being operated in extremely dirty conditions, then it is
recommended oil be changed more frequently.
108604 10/0812-15
The oil drain and oil filter are located at the rear of the engine "FIG. 11".
ENGINE OIL
DRAIN PLUG
ENGINE OIL
FILTER
PRE-CLEANER
ENGINE AIR
FILTER
FIG. 11
ENGINE AIR FILTER
Perform engine air filter maintenance per the scheduled maintenance chart. See ‘‘SERVICE AT
INTERVALS INDICATED’’ on page 12-8.
A specially designed dry filter is standard equipment on the Hustler ATZ tractors and supplies clean
combustion air to the engine "FIG. 12".
RECOMMENDED SERVICE PROCEDURE
1. Overservicing the air filter element.
2. Improper installation.
3. Damaged filter, seals or canister.
4. Incorrect air filter element size.
5. Use of poorly designed aftermarket air filter elements.
FIG. 12
Many engine failures can be attributed to improper air cleaner servicing. Ingested dust and dirt will cause
cylinder, piston and bearing damage in a few hours. “Dusted” engines will result from:
12-16108604 10/08
Air cleaner servicing is an inexpensive maintenance check that can prevent costly non-warrantable
premature engine damage.
OVERSERVICING
Overservicing occurs when an air filter element is removed for cleaning or replacement before it is
necessary. Each time the filter is removed a small amount of dirt and dust could fall in the intake system.
This accumulated dirt can cause a dusted engine. It only takes a few grams of ingested dirt over the
normal service life of an engine to cause a dusted engine.
Do not clean element, replace with a new element only. Cleaning used air filter elements, through
improper cleaning procedures, can get dust on the inside of the filter causing dirt ingestion and engine
failure.
It is important to note that whenever an air filter element is cleaned by any method, the person or
company performing the cleaning assumes responsibility for the integrity of the filter from then on. The
Donaldson warranty for air filters expires upon cleaning or servicing in any manner because the
condition of the filter after servicing is completely out of their control. Therefore, on a dust
ingested engine failure, there will be no warranty consideration if the air filter element has been
cleaned or serviced in any manner.
A partially dirty air filter element works better than a new element. Therefore, a dirty filter element is not
bad for the engine unless it is excessively restricting the air flow and engine performance is affected. The
reason is simple. The media in the filter must be porous to allow air to pass through it. When dirty air
passes through the filter, the dirt plugs some of the holes in the media an d a c tu ally acts as part of the filter
media. When the next round of dirt enters, the first dirt helps filter out even smaller particles making the
filter more efficient at stopping dirt from entering the engine. This is referred to as barrier filtration.
Of course, at some point the filter media becomes too clogged to allow air to pass.
The mowing conditions will determine the frequency of air filter element changing.
IMPROPER INSTALLATION OF AN AIR FILTER ELEMENT
Dust must not leak past the seals on each end of the air filter element. The filter must be aligned with in the
canister and properly seated for an effective seal so that no dirt can enter the en gine.
DAMAGED FILTER, SEALS OR CANISTER
Never bang or bump the filter element against the tire or any solid object, as dust and dirt particles will be
forced through the media causing continual passing of dirt into the engine. Visually inspect the outside of
the air cleaner canister periodically for external damage and replace if necessary.
INCORRECT AIR CLEANER ELEMENT
Use only the correct Donaldson air filter element, Hustler part number 785261, which is designed to fit the
canister properly.
Hustler air filter elements have the correct media composition, filter area, micron size and dimensions.
Always use genuine Hustler filters. Many aftermarket filters have been found to be incompatible with
Hustler’s canisters and engines.
The air filter must remain intact to block passage of dirt and foreign particles from entering the engine.
Being inclined to disbelieve the need for more expen sive air filter elem ents used on gasoline engines may
cause some individuals to opt for a less expensive part.
The filter element must be sufficient size and construc tion to withstand stresses, caused by rapid cycling of
the air volume demanded by the engine, without cracking or tearing under fatigue and pressure (especially
diesel engines). Therefore, Hustler T u rf Equipment and the engine man ufacturers ha ve carefully selected
a reliable filter designed to fit the needs of the engines. The filter specified is a Donaldson filter, Hustler
part number 785261.
108604 10/0812-17
Owners should be reminded that failure to use original equipment replacement parts is an “alteration” and
INDICATOR
RESET
BUTTON
will not be considered for warranty in the event of engine damage.
RECOMMENDED SERVICE PROCEDURE
1. Release clamps and remove element. Clean the canister with a damp cloth.
2. Before installing a new element, inspect it by placing a bright ligh t insid e an d rotate the elem en t slow ly,
looking for any holes or tears in the paper. Also check gaskets for cuts or tears. Do not attempt to use a
damaged element which will allow abrasive particles to enter the engine.
3. Reinstall the dust cup. Make sure it seals all the way around the air clean er body, then tighten the clamps.
4. Check all fittings and clamps periodically for tightness and inspect hoses for holes or cracks.
5. Periodically check the intake hose for signs of ingested dust. Lo cate and rep air th e source of ing ested dirt.
6. Never operate a machine without an air filter installed.
AIR RESTRICTION INDICATOR
Any unit with a Kohler or Kawasaki engine will have an air restriction indicator installed in the air cleaner
"FIG. 13".
Replace the element whenever the restriction indicator shows reaches the change filter red line. Check the
indicator daily and replace element as needed or annually whichever occurs first.
Reset the indicator by pushing in on the yellow button after each element change "FIG. 13"
A restriction indicator takes the guesswork out of air cleaner servicing and allows you to safely benefit from
the filter’s optimum performance.
FIG. 13
GENERAL ENGINE MAINTENANCE
Detailed instructions and recommendations for break-in and regular maintenance are specified in the
Engine Owner’s manual. Please refer to this manual for engine servicing, lubricating oil levels with quality
and viscosity recommendations, bolt torques, etc. The engine warranty is backed by the manufacturer.
Special attention should be paid to applicable data which will not be duplicated here.
BELT REPLACEMENT
"FIG. 14", "FIG. 15", "FIG. 16" & "FIG. 17" show diagrams and descriptions of the unit’s belt drive systems.
12-18108604 10/08
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