Walker DM42A, DM48, DM36, DM42B User Manual
ILLUSTRATED
PAR TS MANUAL
Mulching Deck and
Carrier Frame Assemblies
DM36
DM42A
DM42B
DM48
8600-28
60 lb·ft (81 N· m)
8600-9
5846-1
8600-14
8600-28
Effective Date: 04-01-13
P/N 5000-24
KEY TO ABBREVIA TIONS USED IN THIS MANUAL
Abbreviation What it Represents
º (Dimension) .....................................................................................................................................Degrees (Angle)
" (Dimension) .....................................................................................................................................................inches
(-) ....................................................................................................................................................Negative (Polarity)
(+) ....................................................................................................................................................Positive (Polarity)
AT ................................................................................................................................................................All-Terrain
CCW ...............................................................................................................................................Counter-clockwise
Conn. ..........................................................................................................................................................Connector
CW ...............................................................................................................................................................Clockwise
D ...................................................................................................................................................................Diameter
DC ..................................................................................................Deck, Collection (number refers to size in inches)
DM ...................................................................................................Deck, Mulching (number refers to size in inches)
DR .........................................................................................Deck, Rear Discharge (number refers to size in inches)
DS...........................................................................................Deck, Side Discharge (number refers to size in inches)
DU ...................................................................................................................................................Garlock (Bearing)
ESNA (Fastener)..........................................................................................................................Nylon Insert Locknut
FSC ........................................................................................................................................Forward Speed Control
GA.....................................................................................................................................................................Gauge
gal. .....................................................................................................................................................................gallon
GHS ........................................................................................................................................Grass Handling System
GR (Fastener) ....................................................................................................................................................Grade
HD .............................................................................................................................................................Heavy Duty
HP ...........................................................................................................................................................Horse Power
ID ...............................................................................................................................Identication or Inside Diameter
L ........................................................................................................................................................................Length
LH ............................................................................................................Left Hand (orientated with operator on seat)
LP ..............................................................................................................................................................Low Prole
mm (Dimension) .........................................................................................................................................millimeters
MS (Fastener) ......................................................................................................................................Machine Screw
NS (as part number).....................................................................................Item is not sold by Walker Manufacturing
OD ...................................................................................................................................................Outside Diameter
oz. ......................................................................................................................................................................ounce
PFH (Fastener) ................................................................................................................................Phillips Flat Head
P/N...........................................................................................................................................................Part Number
PPH (Fastener) ................................................................................................................................Phillips Pan Head
PTH (Fastener) ..............................................................................................................................Phillips Truss Head
PTO .................................................................................................................................................... Power T ake-Off
QKS ...........................................................................................................................................................Quick Slide
qt..........................................................................................................................................................................quart
RH ........................................................................................................Right Hand (orientated with operator on seat)
SAE (Fastener) .........................................................................................................Society of Automotive Engineers
SBH (Fastener) ...................................................................................................................Socket Button Head (Bolt)
SD........................................................................................................................................................Side Discharge
SFH (Fastener) .................................................................................................................................Slotted Flat Head
SHC (Fastener)................................................................................................................................Socket Head Cap
SHL (Fastener) ....................................................................................................................................Shoulder (Bolt)
SM (Fastener) ..............................................................................................................................Sheet Metal (Screw)
S/N........................................................................................................................................................Serial Number
Spg. ...................................................................................................................................................................Spring
SQH (Fastener) ......................................................................................................................................Square Head
SS (Fastener) ......................................................................................................................................Stainless Steel
ST (Fastener) ..............................................................................................................................Self-T apping (Screw)
Term. ..............................................................................................................................................................Terminal
V ..........................................................................................................................................................................Volts
NOTE: In some instances, combinations of abbreviations may be used (e.g. PPHMS - Phillips Pan Head Machine Screw).
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
ILLUSTRA TED P ARTS LIST
Section of Deck Covered Page Section of Deck Covered Page
Decals & Paint
36", 42" & 48" Deck Decals / Touch-Up Paint ............2
Deck and Carrier Frame Assemblies
DM36 Inch Complete Carrier Frame Assembly .........4
DM36 Deck Assembly ...............................................6
48 Inch Complete Carrier Frame Assembly...............8
DM42A Deck Assembly...........................................10
DM42B Deck Assembly ..........................................12
DM48 Deck Assembly .............................................14
Maintenance
Lubrication Points ...................................................16
H24d, H25 And H27i Deck Arm Adapter Kit .............17
Blade Usage Chart..................................................18
Fastener Loctite® Application &
T orque Instructions .................................................19
Maintenance And Service Record Sheet.................20
Deck / Tractor Compatibility Chart...........................20
Warranty
Limited Warranty .....................................................21
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
1
36", 42" & 48" DECK DECALS / TOUCH-UP P AINT
ITEM PART DESCRIPTION LOCATION NO.
NO. NO. REQ’D
DM36, DM42A & DM42B Deck Decals
1 8600-15 Caution, Pivot Joint Carrier Frame 2
2 6875 PTO Alignment Arrow Universal Joint Shaft Assembly 1
3 5846-1 Grease Fitting PTO Shaft Guard 1
4 8600-7 Cutting Height Adjustment Gearbox Cover 1
5 8600-28 Danger, Rotating Blades Deck Housing (one on each end) 2
6 8821-14 Decal (36") Carrier Frame 1
8821-16 Decal (48") Carrier Frame 1
7 5809-2 Decal, Walker Carrier Frame 1
8 8600-14 Danger, T ilt-Up Carrier Frame, Front 1
9 8600-9 Blade Mounting T orque Gearbox Cover 1
DM48 Deck Decals
1 8600-15 Caution, Pivot Joint Carrier Frame 2
2 6875 PTO Alignment Arrow Universal Joint Shaft Assembly 1
3 5846-1 Grease Fitting PTO Shaft Guard 1
4 8600-7 Cutting Height Adjustment Gearbox Cover 1
5 8600-28 Danger, Rotating Blades Deck Housing (one on each end) 2
6 8821-16 Decal (48") Carrier Frame 1
7 5809-2 Decal, Walker Carrier Frame 1
8 8600-14 Danger, T ilt-Up Carrier Frame, Front 1
9 8600-9 Blade Mounting T orque Gearbox Cover 1
Touch-Up Paint
10 5866 Touch-Up Paint, Yellow (12 oz. Aerosol)
NOTE: All parts requiring decals are shipped with decals applied.
Effective Date 04-01-13
2
Use only genuine Walker® replacement parts.
36", 42" & 48" DECK DECALS / TOUCH-UP PAINT
.
8600-28
DM36, DM42A &
DM42B Deck Assemblies
8600-28
5
.
9
.
1
60 lb·ft (81 N ·m)
8600-9
.
5846-1
.
2
.
3
5
.
.
7
8600-14
8
4
1
8600-28
6
5
2
1
60 lb·ft (81 N·m)
8600-9
9
5846-1
3
DM48 Deck Assembly
4
7
8600-14
8
1
8600-28
6
.
5
10
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
3
DM36 INCH COMPLETE CARRIER FRAME ASSEMBLY
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Spring and Pivot Mount Components
1 5975-3 Cable Tie (50# x 7") 4
2 5744-1 Spring Clip Bracket 1
3 5743-1 Spring Cover 2
4 5743-4 Eyebolt (3/8-16 x 2-3/4) 2
5 5830 Grease Fitting 8
6 8667-29 Pivot Mount Adj., LH 1
8667-3 Pivot Mount Assembly, LH/Adj. *
(Includes Items # 5, 6, F353, F489 & F520)
7 8667-28 Pivot Mount Adj., RH 1
8667-4 Pivot Mount Assembly , RH/Adj. *
(Includes Items # 5, 7, F353, F489 & F520)
8 5743-8 Extension Spring (1-1/2 x 7-3/4) 2
(Includes Items # 1, F117 & F166)
Carrier Frame Components
9 8674-11 Lever, Deck Lock, LH 1
10 7406-1 Handle Grip (Red) 2
11 8669 Lift Handle 1
12 5748-10 Rubber Mat (1-1/2 x 6) 2
13 5740-2 Deck Pin Bushing (5/8) 4
14 5708-8 DML36 Carrier Frame 1
(Includes Item # 12)
5708-7 DML36 Carrier Frame W/Forks *
(Includes Items # 12, 21-23, 25,
F055, F068 & F098)
15 8674-10 Lever, Deck Lock, RH 1
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Fasteners
F012 3/8-16 Keps Nut 2
F020 5/16-18 ESNA Nut 2
F047 3/8-16 x 4-1/2 Hex Bolt 2
F055 5/8 SAE Washer 2
F068 1/8 x 1 Cotter Pin 2
F084 5/16 Wave Spring Washer 2
F098 5/8-18 Slotted Hex Nut 2
F117 Retainer Ring 2
F123 1" External Snap Ring 4
F166 Retainer Ring 2
F226 5/16-18 x 7/8 Hex Bolt 2
F317 3/16 x 1 Split Spring Pin 2
F335 3/8-16 x 7/8 Set Screw, SS 2
F336 3/8-16 Jam Nut 2
F353 3/8-16 ESNA LP Nut 2
F489 Washer 1/4 x 7/8 x .090 2
F520 1/4-28 x 3/8 Hex Bolt 2
* Service Part Only
** May be ordered as a kit for dealer installation. Contact your
Walker dealer .
Caster Wheel Components
16 5714-7 Bearing Cap 4
17 5714-5 Bearing, Caster Wheel 2
18 5830-3 Grease Fitting (45 Degree) 2
19 5715-4 Caster Wheel, Pneumatic (8 x 3.00-4) 2
(Includes Items # 16-18)
5715-10 Tire, Pneumatic (8 x 3.00-4) *
5715-9 Tire Tube, Pneumatic (2.80/2.50-4) *
5715-3 Caster Wheel & Tire/No-Flat (8 x 3.00-4) **
5715-11 Tire, Caster Wheel/No-Flat (8 x 3.00-4) **
20 5714-3 Axle Spacer Tube 2
21 5770-1 Caster Wheel Fork 2
22 8768-1 Seal (1-3/4 x 1-1/8) 2
23 8037 Bearing Cone (3/4 ID) 4
24 8769-1 Bearing Cup (1-3/4 x 1-7/16) 4
25 8769-9 Dust Cap, Deck Caster 2
4
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
DM36 INCH COMPLETE CARRIER FRAME ASSEMBLY
.
1
.
2
.
3
.
.
.
.
10
.
.
.
25
.
F068
.
F098
.
.
F055
23
.
14
13
24
24
23
.
22
.
21
.
.
5
.
F123
F226
.
15
.
F084
.
.
F317
.
5
.
12
8600-14
.
F520
4
F489
F353
F117
.
8
.
F336
F335
5
.
.
F020
F047
.
.
.
.
F166
.
7
F166
8
F117
.
1
3
4
5
6
5
F336
F335
F489
F520
.
F353
.
F317
9
10
F012
16
20
.
11
F020
F084
F226
19
18
17
16
8600-28
60 lb·ft (81 N· m)
8600-9
5846-1
8600-28
Refer to DM36
DECK ASSEMBLY,
Page 6
Refer to LUBRICATION POINTS, Page 16.
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
5
DM36 DECK ASSEMBL Y
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Gearbox and Drive Components
1 8618-1 Cover, PTO Shaft Guard 1
2 8619-2 PTO Shaft Guard 1
8618-3 PTO Shaft Guard Assembly *
(Includes Items # 1, 2, F002 & F025)
3 5285-15 U-Joint Shaft Assy, 90 Degree, Spline 1
(Includes Items # 21, F069 & F295)
4 7275-16 U-Joint Tube Assy , Spline 1
5 5275-15 U-Joint Tube Assy (9.5" OAL), Spline 1
(Includes Item # F076)
6 5704-82 DML36 Gearbox Tube Assembly 1
(Includes Items # 7-16, F136,
F179 & F211)
7 5706-4 Seal Protector Plate 2
8 6054 Spline Coupling 3
9 P007 Gasket, Cap (Peerless #788030) 4
10 5065 Connector Tube (7-1 1/16) 1
11 6733-4 Connecting Shaft (5-5/16) 1
12 5052-4 Gearbox (LH 1.2:1) 1
13 5704-1 Gearbox Cover Support 2
14 5051-16 T ee Gearbox, Shear 1
15 5060 Connector Tube (2-5/16) 1
16 5053-4 Gearbox (RH 1.2:1) 1
17 5052-3 1.375 x .750 x .187 Washer 4
18 5747-11 Rubber Mat (3 x 6) 2
19 5746-6 DML36 Gearbox Cover 1
(Includes Item # 18)
20 5830 Grease Fitting 1
21 8067-13 Shear Pin w/Cotter (Set of 5) *
(Includes Item # F069)
Deck Housing Components
22 8670 Tilt-Up Hook 1
23 9772 Roller Wheel Assembly (2-1/2) 2
(Includes Item # F059)
24 8490-1 Roller Wheel Axle Bolt 2
25 NS Deck Serial Number Plate 1
26 5705-23 Blade 19" Mulch, Special 2
27 5706 Blade Hub & Trash Guard 2
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
28 8735-10 Rubber Mat (5 x 6) 2
29 7775-1 Hitch Pin, LH (Silver) #6 2
30 8788-1 Rubber Mat (1 x 2) 1
31 5702-7 DML36 Deck Housing 1
(Includes Items # 28 & 30)
32 7775-2 Hitch Pin, RH (Gold) #6 2
33 5727-1 Washer Shim (5/8 ID) 4
Fasteners
F002 10-24 Keps Nut 6
F004 1/4-20 Keps Nut 2
F013 3/8-16 Whiz Locknut 6
F018 5/8-18 Hex Nut 2
F025 10-24 x 3/8 PPHMS 2
F029 1/4-20 x 1/2 Hex Bolt 2
F039 3/8-16 x 1-1/4 Hex Bolt 4
F050 1/4 SAE Washer 4
F055 5/8 SAE Washer 2
F056 5/8 Split Lock Washer 2
F059 3/8 Wave Spring Washer 2
F069 3/32 x 1/2 Cotter Pin 1
F076 3/8-16 x 5/8 SQH Set Screw *
F124 10-32 x 3/8 Taptite MS 6
F136 AN960C416L Washer 16
F179 1/4-20 x 1 Hex Bolt 4
F202 10-24 x 5/8 SHC Screw, GR5 SS 4
F206 #2 x 3/16 Drive Pin 2
F211 1/4-20 x 7/8 Hex Bolt 12
F246 1/4-20 x 1/2 PTHMS 2
F295 3/16 x 1-1/2 Split Spring Pin 1
F403 1/4-20 x 1/2 PTHMS, SS 2
* Service Part Only
NOTE: Order Item # 4 to use the splined deck PTO shaft with
Model T23, T25i, T30i, D21d, C19 and B19.
NOTE: Order Item # 5 to use the splined deck PTO shaft with
Model S14 and B18.
Effective Date 04-01-13
6
Use only genuine Walker® replacement parts.
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