Walker DM36-2 Setup guide

Eective Date: 09-14-21
P/N 5000-68
Illustrated
Parts Manual
Mulching Deck and Carrier Frame Assemblies
DM36-2
DM42-2
DM42B-2
DM48-2
DM52-2
8600-28
8600-28
5846-1
8600-14
8600-9
60 lb·f t (81 N·m)

Effective Date 09-14-21
Use only genuine Walker®replacement parts.
KEY TO ABBREVIATIONS USED IN THIS MANUAL
º (Dimension) .....................................................................................................................................Degrees (Angle)
" (Dimension) .....................................................................................................................................................inches
(-)....................................................................................................................................................Negative (Polarity)
(+) .................................................................................................................................................... Positive (Polarity)
-1 (as deck style designation).......................................................................... Standard (Aluminum) Gear Drive Deck
-2 (as deck style designation)........................................................................Heavy Duty (Cast Iron) Gear Drive Deck
-3 (as deck style designation)...............................................................................................................Belt Drive Deck
AT ................................................................................................................................................................All-Terrain
CCW...............................................................................................................................................Counter-clockwise
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...............................................................................................................................Identication or Inside Diameter
L........................................................................................................................................................................Length
LH............................................................................................................Left Hand (orientated with operator on seat)
LP .............................................................................................................................................................. Low Prole
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 Take-O󰀨
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
SQH (Fastener) ......................................................................................................................................Square Head
SS (Fastener) ...................................................................................................................................... Stainless Steel
ST (Fastener)..............................................................................................................................Self-Tapping (Screw)
V.......................................................................................................................................................................... Volts
NOTE: In some instances, combinations of abbreviations may be used (e.g. PPHMS - Phillips Pan Head Machine Screw).
Abbreviation What it Represents

1
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
Section of Deck Covered Page Section of Deck Covered Page
ILLUSTRATED PARTS LIST
Decals & Paint
DM36-2, DM42-2, DM42B-2, DM48-2 & DM52-2
Deck Decals / Touch-Up Paint...................................2
Deck and Carrier Frame Assemblies
DM36-2 Complete Carrier Frame Assembly .............4
DM36-2 Deck Assembly............................................6
DM42-2 Complete Carrier Frame Assembly .............8
DM42-2 Deck Assembly..........................................10
DM42B-2 & DM48-2 Complete
Carrier Frame Assembly...................................12
DM42B-2 Deck Assembly .......................................14
DM48-2 Deck Assembly..........................................16
DM52-2 Complete Carrier Frame Assembly ...........18
DM52-2 Deck Assembly..........................................20
Maintenance
Lubrication Points ...................................................22
H24d, H27i & H37i Deck Arm Adapter Kit................23
Blade Usage Chart..................................................24
Loctite® Application & Hardware Specications.......25
Maintenance And Service Record Sheet.................26
Deck / Tractor Compatibility Chart...........................28
Warranty
Limited Warranty.....................................................29

ITEM PART DESCRIPTION LOCATION NO.
NO. NO. REQ’D
2
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
DM36-2, DM42-2, DM42B-2, DM48-2 & DM52-2 DECK DECALS / TOUCH-UP PAINT
DM36-2 & DM42B-2 Deck Decals
18600-15 Caution, Tilt-Up Deck Lock Carrier Frame 2
26875 PTO Alignment Arrow Universal Joint Shaft Assembly 1
35846-1 Grease Fitting PTO Shaft Guard 1
48600-39 Cutting Height Adjustment Gearbox Cover 1
58600-28 Danger, Rotating Blades Deck Housing (one on each end) 2
68821-14 Decal (36") Carrier Frame 1
8821-15 Decal (42") Carrier Frame 1
75809-2 Decal, Walker Carrier Frame 1
88600-14 Danger, Tilt-Up Carrier Frame, Front 1
98600-9 Blade Mounting Torque Gearbox Cover 1
DM42-2, DM48-2 & DM52-2 Deck Decals
18600-15 Caution, Tilt-Up Deck Lock Carrier Frame 2
26875 PTO Alignment Arrow Universal Joint Shaft Assembly 1
35846-1 Grease Fitting PTO Shaft Guard 1
48600-39 Cutting Height Adjustment Gearbox Cover 1
58600-28 Danger, Rotating Blades Deck Housing (one on each end) 2
68821-15 Decal (42") Carrier Frame 1
8821-16 Decal (48") Carrier Frame 1
8821-17 Decal (52") Carrier Frame 1
75809-2 Decal, Walker Carrier Frame 1
88600-14 Danger, Tilt-Up Carrier Frame, Front 1
98600-9 Blade Mounting Torque 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.

3
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
8600-14
8600-28
8600-28
5846-1
8600-14
5846-1
8600-28
8600-28
59
7
4
5
2
8
1
1
3
9
5
7
4
2
DM36-2 & DM42B-2
Deck Assemblies
8
1
10
DM42-2, DM48-2 &
DM52-2 Deck Assemblies
13
8600-9
60 lb·f t (81 N·m)
8600-9
60 lb·f t (81 N·m)
5
6
6
DM36-2, DM42-2, DM42B-2, DM48-2 & DM52-2 DECK DECALS / TOUCH-UP PAINT
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4
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Spring and Pivot Mount Components
15975-3 Cable Tie (50# x 7") 4
25744-4 Spring Clip Bracket 1
35743-1 Spring Cover 2
45743-4 Eyebolt (3/8-16 x 2-3/4) 2
55830 Grease Fitting 8
68667-3 Pivot Mount Assembly, LH/Adj. 1
(Includes Items # 5, F353, F489 & F520)
78667-4 Pivot Mount Assembly, RH/Adj. 1
(Includes Items # 5, F353, F489 & F520)
85743-8 Extension Spring, Red (1-1/2 x 7-3/4) 2
(Includes Items # 1, F117 & F166)
Carrier Frame Components
98674-11 Lever, Deck Lock, LH 1
10 7406-1 Handle Grip (Red) 2
11 8669 Lift Handle 1
12 5740-2 Deck Pin Bushing (5/8) 4
13 5708-8 DM36-2 Carrier Frame (Includes Item # 22) 1
5708-7 36 Carrier Frame W/Forks *
(Includes Items # 19-23,
F068, F098 & F382)
14 8674-10 Lever, Deck Lock, RH 1
Caster Wheel Components
15 8769-11 Bearing Cup (3/8 ID) 4
16 5714-11 Bearing 4
17 5714-10 Axle Tube (3.417) 2
18 5715-23 Caster Wheel & Tire/No-Flat (8 x 3.00-4) 2
W/Cups (Includes Items # 15-17)
19 5770-1 Caster Wheel Fork 2
20 8768-1 Seal (1-3/4 x 1-1/8) 2
21 8037 Bearing Cone (3/4 ID) 4
22 8769-1 Bearing Cup (1-3/4 x 1-7/16) 4
23 8769-10 Dust Cap, Deck Caster 2
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
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
F382 Belleville Washer .650 x 1.36 2
F489 Washer 1/4 x 7/8 x .090 2
F520 1/4-28 x 3/8 Hex Bolt 2
*Service Part Only
DM36-2 COMPLETE CARRIER FRAME ASSEMBLY

5
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
8600-28
8600-28
8600-14
5846-1
F098
F068
20
19
21
F047
F226
F084
F020
11
15
15
16
16
17
18
F012
F020
F084
F226
F123
5
5
5
10
12
14
F317
F317
10
1
3
3
2
4
7
8
8
6
9
1
4
F166
F166
F117
F117
Refer to DM36-2
DECK ASSEMBLY,
Page 6
13
22
22
23
21
5
5
F520 F489
F336
F335
F336
F335
F353
F520
F489
F353
8600-9
60 lb·ft ( 81 N·m)
F382
Refer to LOCTITE APPLICATION &
HARDWARE SPECIFICATIONS, Page 25.
DM36-2 COMPLETE CARRIER FRAME ASSEMBLY
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Refer to LUBRICATION POINTS, Page 22.
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6
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
DM36-2 DECK ASSEMBLY
Gearbox and Drive Components
18618-1 Cover, PTO Shaft Guard 1
28618-12 PTO Shaft Guard Assembly 1
(Includes Items # 1, F002 & F025)
35285-5 U-Joint Shaft Assembly (90 Degree) 1
Spline, Keyed
(Includes Items # F065, F076 & F318)
46711-2 DM36-2 Gearbox and Tube Assembly, HD 1
(Includes Items # 5-14, F004 & F136)
56054 Spline Coupling 3
65068-6 O-Ring (1-7/8 x 2) 4
75065-2 Connector Tube (7.718) 1
86733-4 Connecting Shaft (5-5/16) 1
95052-16 HD Gearbox (1:2:1, 1.762) CCW-CCW 1
10 5704-1 Gearbox Cover Support 2
11 5051-5 HD Tee Gearbox (1:1) CW-CW & CCW 1
12 5060-2 Connector Tube (2.343) 1
13 5053-16 HD Gearbox (1:2:1, 1.1762) CW-CCW 1
14 5589-1 1/4-20 x 1-1/2" Stud 16
15 5747-11 Rubber Mat (3 x 6) 2
16 5746-6 36" Gearbox Cover 1
(Includes Item # 15)
Deck Housing Components
17 8670 Tilt-Up Hook 1
18 8490-1 Roller Wheel Axle Bolt 2
19 9772 Roller Wheel Assembly (2-1/2) 2
(Includes Item # F059)
20 NS Deck Serial Number Plate 1
21 5705-23 LH/RH Blade 19" Mulch, Special 2
(RH Rotation)
22 5706 Blade Hub & Trash Guard 2
23 7775-1 Hitch Pin, LH (Silver) #6 2
24 8735-10 Rubber Mat (5 x 6) 2
25 8788-1 Rubber Mat (1 x 2) 1
26 5702-7 DM36-2 Deck Housing 1
(Includes Items # 24 & 25)
27 7775-2 Hitch Pin, RH (Gold) #6 2
28 7434-1 Washer 1-3/8 x 5/8-1/2 Thick 4
29 5727-1 Washer Shim (5/8 ID) 4
Fasteners
F002 10-24 Keps Nut 2
F004 1/4-20 Keps Nut 18
F013 3/8-16 Whiz Locknut 2
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
F038 3/8-16 x 1 Hex Bolt 4
F050 1/4 SAE Washer 4
F051 3/8 SAE Washer 2
F055 5/8 SAE Washer 2
F056 5/8 Split Lock Washer 2
F059 3/8 Wave Spring Washer 2
F065 3/16 x 3/4 Woodruff Key (#606) 1
F076 3/8-16 x 5/8 SQH Set Screw 1
F136 AN960C416L Washer 16
F202 10-24 x 5/8 SHC Screw, GR5 SS 4
F206 #2 x 3/16 Drive Pin 2
F246 1/4-20 x 1/2 PTHMS 2
F278 3/8 Split Lock Washer 4
F318 3/8-16 x 3/4 SQH Set Screw 1
F403 1/4-20 x 1/2 PTHMS, SS 2
F517 Washer 3/8 x 1-1/8 x 1/8 4
F568 10-24 Flange Top Lock Nut 4
*Service Part Only

7
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
5846-1
8600-28
8600-28
8600-14
8600-9
60 lb·ft (81 N ·m)
F136
10
10
13
16
11
94
F025
F029
F002
F050
1
2
F246
F050
3
29
28
27
21
26
24
24
17
F004
F403
F206
20
5
F136
F013
7
19
12
F059
5
6
6
8
6
6
5
21
22
22
F202
25
23
Refer to DM36-2 CARRIER
FRAME ASSEMBLY,
Page 4
F018
F056
F055
F568
Refer to LOCTITE APPLICATION &
HARDWARE SPECIFICATIONS, Page 25.
F318
F065
F076
15
Refer to Tractor
Parts Manual
18
F051
F038
F278
F517
14
F004
F004
DM36-2 DECK ASSEMBLY
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Refer to LUBRICATION POINTS, Page 22.
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8
Effective Date 09-14-21
Use only genuine Walker®replacement parts.
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
DM42-2 COMPLETE CARRIER FRAME ASSEMBLY
Spring and Pivot Mount Components
15975-3 Cable Tie (50# x 7") 4
25744-4 Spring Clip Bracket 1
35743-1 Spring Cover 2
45743-4 Eyebolt (3/8-16 x 2-3/4) 2
55830 Grease Fitting 8
68667-3 Pivot Mount Assembly, LH/Adj. 1
(Includes Items # 5, F353, F489 & F520)
78667-4 Pivot Mount Assembly, RH/Adj. 1
(Includes Items # 5, F353, F489 & F520)
85743-8 Extension Spring, Red (1-1/2 x 7-3/4) 2
(Includes Items # 1, F117 & F166)
Carrier Frame Components
98674-11 Lever, Deck Lock, LH 1
10 7406-1 Handle Grip (Red) 2
11 8669 Lift Handle 1
12 5740-2 Deck Pin Bushing (5/8) 4
13 8660-13 42" Carrier Frame (Includes Item # 22) 1
8660-12 42" Carrier Frame W/Forks *
(Includes Items # 19-23,
F068, F098 & F382)
14 8674-10 Lever, Deck Lock, RH 1
Caster Wheel Components
15 8769-11 Bearing Cup (3/8 ID) 4
16 5714-11 Bearing 4
17 5714-10 Axle Tube (3.417) 2
18 5715-23 Caster Wheel & Tire/No-Flat (8 x 3.00-4) 2
W/Cups (Includes Items # 15-17)
19 5770-1 Caster Wheel Fork 2
20 8768-1 Seal (1-3/4 x 1-1/8) 2
21 8037 Bearing Cone (3/4 ID) 4
22 8769-1 Bearing Cup (1-3/4 x 1-7/16) 4
23 8769-10 Dust Cap, Deck Caster 2
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
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
F382 Belleville Washer .650 x 1.36 2
F489 Washer 1/4 x 7/8 x .090 2
F520 1/4-28 x 3/8 Hex Bolt 2
*Service Part Only