QUEST®
For Serial Nos.
720,000 & Higher
Part No. 4500-339 Rev. A
-1-
READ OPERATOR’S MANUAL BEFORE
OPERATING OR SERVICING EXMARK EQUIPMENT
TABLE OF CONTENTS
Description Page
Cutter Housing Assembly ................................................7
48” Deck Group............................................................3-4
52” Deck Group............................................................5-6
Decal Group ..................................................................17
Electrical Diagram.....................................................19-20
Electrical Group.............................................................18
Electrical Logic Schematic........................................21-22
Engine Group ...........................................................13-14
Frame Group................................................................8-9
Fuel Group.....................................................................12
Motion Control Group ....................................................10
Seat Group....................................................................11
Transaxle Assembly ......................................................16
Transaxle Group............................................................15
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48” DECK GROUP
Item Part No. Description Qty.
1 109-6253 Asm, Deck W/Decals .............................1
2 52-2860 Washer ..................................................2
3 109-9158 Asm, Idler Arm W/Bearings....................1
3:1 302-40 Zerk, 90° 1/4-28.....................................1
3:2 1-513034 Bearing ..................................................2
4 103-3330 Spring, Extension...................................1
5 1-603384 Bushing..................................................1
6 3231-11 Bolt, Carriage 3/8-16 x 3 1/2 ........ ..........1
7 104-8301 Nut, Nyloc 3/8-16 Flg...... .......... .............8
8 1-413113 Bushing..................................................1
9 109-8891 Asm, Pulley and Bearing. .......................2
10 3231-31 Bolt, Carriage 3/8-16 x 2 1/2 ........ ..........1
11 109-6572 Bushing..................................................2
12 1-603843 Pulley, Idler............................................1
13 109-6868 Bolt, Carriage 3/8-16 x 3........................2
14 109-3723-01 Strut, Deck.............................................1
15 109-8788 Bushing, Flanged...................................4
Exmark black touch up spray paint – gloss black.
Exmark red touch up paint (spray paint - P/N 1-850337 - .6 oz liquid bottle - P/N 103-9140).
V Includes all item shown on pages 3, 4 & 7. Does not include struts or strut hardware.
Item Part No. Description Qty.
16 3231-25 Bolt, Carriage 3/8-16 x 1 1/4..................4
17 109-3449 Shield, Belt............................................2
18 3230-23 Bolt, Carriage 5/16-18 x 3/4 Short Neck.6
19 109-5667 Ring, Bolt Retaining............................... 4
20 104-8300 Nut, Nyloc 5/16-18 Flg........................... 10
21 109-5498-03 Baffle, Discharge...................................1
22 110-6691 Decal, Danger........................................2
23 109-6459 Decal, Belt Shield Warning.................... 2
24 109-6034 Decal, Deck 48 ...................................... 1
25 109-6035 Decal, Belt Routing................................ 1
26 109-6036 Decal, Anti-Scalp Roller......................... 1
27 93-7009 Decal, Danger........................................ 1
28 322-2 Screw, HH 5/16-18 x 5/8........................4
29 109-9159 Decal, Hole Cover..................................3
30 1-303520 Decal, Trivantage...................................1
109-8745 Asm, 48 Deck Complete
V
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48” DECK GROUP (Continued)
Item Part No. Description Qty.
1 109-6388 Kit, Anti-Scalp Roller ..............................3
1:1 112-3977 Bolt, Shoulder ........................................1
1:2 1-603299 Roller, Anti-Scalp ...................................1
1:3 104-8301 Nut, Nyloc 3/8-16 Flg...... .......... .............1
2 109-8744 Asm, Cutter Housing Complete........ ......3
3 103-6401 Blade, Notched ......................................3
109-6389 Blade. Mulch..........................................3
Q
109-6391 Blade, High Lift.......................................3
4 109-3747 Sheave, Blade Drive ..............................3
5 109-3410 Hanger, Deck.........................................4
6 109-8788 Bushing, Flanged...................................8
Exmark red touch up paint (spray paint - P/N 1-850337 - .6 oz liquid bottle - P/N 103-9140).
Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food-gr ade anti- se iz e) betw ee n the spindl es & sheav es.
DO NOT use a copper or nickel based anti-seize.
Q Requires installation of Micro-Mulch accessory for proper mulching. Mulch kit P/N 109-5980.
Item Part No. Description Qty.
7 3231-25 Bolt, Carriage 3/8-16 x 1 1/4..................8
8 104-8301 Nut, Nyloc 3/8-16 Flg............................. 8
9 109-5364 Belt........................................................1
10 109-6393 Kit, Washout Port...................................1
10:1 95-2747 Fitting, Washout Port .............................1
10:2 46-6290 O-Ring...................................................1
10:3 93-6083 Screw, HWH 1/2-20 x 1/2 Taptite...........2
10:4 95-3270 Connector, Hose.................................... 1
13 109-8854 Pin, Chute..............................................1
14 109-6886 Spring....................................................1
15 109-5151 Chute, Deflector.....................................1
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52” DECK GROUP
Item Part No. Description Qty.
1 109-6254 Asm,52 Deck W/ Decals..................... . ...1
2 52-2860 Washer ..................................................2
3 109-9158 Asm, Idler Arm W/Bearings....................1
3:1 302-40 Zerk, 90° 1/4-28.....................................1
3:2 1-513034 Bearing ..................................................2
4 103-3330 Spring, Extension...................................1
5 1-603384 Bushing..................................................1
6 3231-11 Bolt, Carriage 3/8-16 x 3 1/2 ........ ..........1
7 104-8301 Nut, Nyloc 3/8-16 Flg...... .......... .............8
8 1-413113 Bushing..................................................1
9 109-8891 Asm, Sheave and Bearing......................2
10 3231-31 Bolt, Carriage 3/8-16 x 2 1/2 ........ ..........1
11 109-6572 Bushing..................................................2
12 1-603843 Pulley, Idler............................................1
13 109-6868 Bolt, Carriage 3/8-16 x 3........................2
14 109-3723-01 Strut, Deck.............................................1
15 109-8788 Bushing, Flanged...................................4
Exmark black touch up spray paint – gloss black.
Exmark red touch up paint (spray paint - P/N 1-850337 - .6 oz liquid bottle - P/N 103-9140).
V Includes all item shown on pages 5, 6 & 7. Does not include struts or strut hardware.
Item Part No. Description Qty.
16 3231-25 Bolt, Carriage 3/8-16 x 1 1/4..................4
17 109-3449 Shield, Belt............................................2
18 3230-23 Bolt, Carriage 5/16-18 x 3/4 Short Neck.6
19 109-5667 Ring, Bolt Retaining............................... 4
20 104-8300 Nut, Nyloc 5/16-18 Flg........................... 12
21 109-5498-03 Baffle, Discharge...................................1
22 110-6691 Decal, Danger........................................2
23 109-6459 Decal, Belt Shield Warning.................... 2
24 109-6033 Decal, Deck 52 ...................................... 1
25 109-6035 Decal, Belt Routing................................ 1
26 109-6036 Decal, Anti-Scalp Roller......................... 1
27 93-7009 Decal, Danger........................................ 1
28 322-2 Screw, HH 5/16-18 x 5/8........................6
29 109-9159 Decal, Hole Cover..................................3
30 1-303520 Decal, Trivantage...................................1
109-8746 Asm,52 Deck Complete
V
-5-
52” DECK GROUP (Continued)
Item Part No. Description Qty.
1 109-6388 Kit, Anti-Scalp Roller ..............................3
1:1 112-3977 Bolt, Shoulder........................................1
1:2 1-603299 Roller, Anti-Scalp...................................1
1:3 104-8301 Nut, Nyloc 3/8-16 Flg......... .......... ..........1
2 109-8744 Asm, Cutter Housing Complete........... ...3
3 103-6402 Blade, Notched 18.0 ..............................3
109-6390 Blade. Mulch..........................................3
Q
109-6392 Blade, High Lift ......................................3
4 109-3671 Sheave, Blade Drive ... . ..........................3
5 109-3410 Hanger, Deck.........................................4
6 109-8788 Bushing, Flanged...................................8
Exmark red touch up paint (spray paint - P/N 1-850337 - .6 oz liquid bottle - P/N 103-9140).
Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food-grade anti-seize) between the spindles & sheaves. DO NOT
use a copper or nickel based anti-seize.
Q Requires installation of Micro-Mulch accessory for proper mulching. Mulch kit P/N 109-5982.
Item Part No. Description Qty.
7 3231-25 Bolt, Carriage 3/8-16 x 1 1/4..................8
8 104-8301 Nut, Nyloc 3/8-16 Flg............................. 8
9 109-3661 Belt........................................................1
10 109-6393 Kit, Washout Port...................................1
10:1 95-2747 Fitting, Washout Port .............................1
10:2 46-6290 O-Ring...................................................1
10:3 93-6083 Screw, HWH 1/2-20 x 1/2 Taptite...........2
10:4 95-3270 Connector, Hose.................................... 1
13 109-8854 Pin, Chute..............................................1
14 109-6886 Spring....................................................1
15 109-5151 Chute, Deflector.....................................1
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CUTTER HOUSING ASSEMBLY
Item Part No. Description Qty.
1 109-9380 Asm, Cutter Housing..............................1
1:1 62-3661 Spacer, Bearing.....................................1
1:2 109-9379 Bearing, Ball ..........................................2
2 80-4380 Spacer...................................................1
3 80-4360 Shield, Bearing ......................................1
Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food-grade anti-seize) between the spindle & bearings. DO NOT
use a copper or nickel based anti-seize.
Item Part No. Description Qty.
4 109-7431 Spindle, Hex Pilot .................................. 1
5 109-7429 Washer, Blade Drive..............................1
6 116-0005 Bolt, Sems Blade................................... 1
7 3219-6 Nut, Hex 5/8-18......................................1
8 32144-41 Screw, HWH 3/8-16 x 7/8 Taptite...........6
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