Husqvarna WH3615/966947001 User manual

English
Parts Manual
WH3615/966947001
WH4817/966947002
WH5217/966947003
Please read the operator’s manual carefully and make sure
you understand the instructions before using the machine.

©2008 HTC. All rights reserved.
Beatrice, NE. Printed in U.S.A.

CONTENTS
NOTE: ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
FRAME....................................................................... 4
ENGINE...................................................................... 6
HANDLE AND CONTROLS........................................ 8
PARKING BRAKE .................................................... 10
HYDRO PUMP-MOTOR........................................... 12
WHEELS AND TIRES .............................................. 14
36" MOWER DECK
Upper Deck ........................................................ 16
Lower Deck ........................................................ 18
48" MOWER DECK
Upper Deck ........................................................ 20
Lower Deck ........................................................ 22
52" MOWER DECK
Upper Deck ........................................................ 24
Lower Deck ........................................................ 26
DECALS ................................................................... 28

4 - Husqvarna
FRAME
1
2
4
11
7
3
3
3
4
4
4
3
5
5
6
7
7
7
8
8
3
3
12
12
13
14
14
14
14
3
3
15
15
16
16
17
17
10
9
7
37
18
539 109104 ... 1 ... Harness, Lower
NOT SHOWN
532 198316 ... 1 ... Adapter, Harness

Husqvarna - 5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
FRAME
539 1325581.. .... 1.... PANEL, SIDE, RH
539 1325602.. .... 1.... PANEL, SIDE, LH
539 9769793.. .. 14.... NUT 3/8-16 HEX NYLOC
539 1085074.. ...11 .... HCS 3/8-16 x 7/8
539 9769415.. .... 4.... HCS 3/8-16 x 1¼
539 1325096.. .... 1.... AXLE, HYDRO
539 9905177.. .... 8.... WASHER 3/8FLAT
539 1013318.. .... 2.... NUT ½ HEX NYLOC
539 9768569.. .... 2.... WIRE TIE
539 11086310.. .... 1.... MOUNTING BLOCK
539 13255611.. .... 1.... BAR, THROW OUT
539 11362112.. .... 2.... SB 3/8-16 x 3/8SKT HD
505 18900213.. .... 1.... GUARD, FILTER
539 10747614.. .... 6.... BOLT 3/8-16 x 1 THD FRM
539 10837415.. .... 2.... HCS ½-13 x 1½
539 10836916.. .... 2.... HCS ½-13 x 1¼
539 10955417.. .... 2.... WASHER ½ FLAT
522 47800118.. .... 1.... ENGINE DECK W/DECAL
NOT SHOWN
539 109104 ....1 .... HARNESS, LOWER
532 198316 ....1 .... ADAPTER, HARNESS

6 - Husqvarna
ENGINE
8
24
22
7
16
17
19
18
26
20
21
25
10
9
5
3
12
13
1
2
6
14 15
14
4
3
11
23

Husqvarna - 7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1325251.. .... 1.... PULLEY
539 1057182.. .... 1.... KEY ¼" SQ x ½"
539 1095563.. .... 4.... LOCK WASHER 5/16 STAR
539 9769354.. .... 2.... HCS 5/16-18 x 1½
539 9906695.. .... 2.... HCS 5/16-18 x 1¾
539 9907176.. .... 4.... NUT 5/16-18 HEX NYLOC
539 9902477.. .... 1.... LOCKWASHER 7/16 SLOT
532 4000088.. .... 1.... CLUTCH 90 FT/LB
539 1079379.. .... 1.... HOSE, OIL DRAIN
539 97696610.. .... 4.... CLAMP, HOSE
539 10821211.. .... 1.... FUEL LINE, 12"
539 91632512.. .... 1.... FUEL VALVE
505 21510113.. .... 1.... FUEL LINE, 2½"
ENGINE
539 10709814.. .... 2.... CLAMP
539 13263315.. .... 1.... PLATE
539 97693416.. .... 4.... HCS 5/16-18 x ¾
539 99018817.. .... 4.... WASHER 5/16 SAE FLAT
539 10618818.. .... 1.... CAP, FUEL TANK
539 13254919.. .... 1.... TANK, FUEL
539 13254820.. .... 1.... ADAPTER, RECOIL
539 99007121.. .... 4.... HCS ¼-20 x ½
539 10650422.. .... 1.... WASHER, HEAVY
539 13252723.. .... 1.... CLUTCH STOP
539 99112024.. .... 1.... HCS 7/16-20 x 2½
539 97697825.. .... 4.... NUT ¼-20 HEX NYLOC
539 91222226.. .... 3.... CLAMP

8 - Husqvarna
HANDLE AND CONTROLS
30
22
1
14
38
36
37
40
21
32
31
39
11
10
519
8
24
25
29
23
15
22
52
46
44
50
48
47
45
51
28
33
18
4
3
5
34
21
39
40
37
41
53
40
43
49
42
56
54
26
12
2
27
13
16
7
3
19
9
20
6
40
35 28
33
19
25
17
25
57
58
55
NOT SHOWN
539 110802 ... 1 ... Service Meter
(Optional)

Husqvarna - 9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
HANDLE AND CONTROLS
539 1326231.. .... 2.... GRIP ASSEM
539 9905852.. .... 2.... NUT 5/16-18 HEX WHIZLK
539 1325203.. .... 2.... BEARING, FLANGE
539 1326284.. .... 1.... SPEED CONTROL
539 1326295.. .... 2.... E RING, 20MM
539 1326246.. .... 1.... KNOB, SHIFT
539 1326887.. .... 1.... THROTTLE CONTROL
539 1302088.. .... 1.... CONTROL, CHOKE
532 4049519.. .... 1.... PLUG, DASH, SVC MINDER
539 10176810.. .... 1.... CLUTCH SWITCH
539 91185311.. .... 1.... SWITCH, IGNITION
539 13267612.. .... 1.... GUIDE, ROPE
539 10267813.. .... 1.... PLATE, NUT
522 42180214.. .... 1.... GUARD, HAND RH
522 42170215.. .... 1.... GUARD, HAND LH
539 02001716.. .... 1.... SWITCH, NC
539 13262617.. .... 1.... ROD, SHIFT
539 20028218.. .... 1.... NUT 3/8-16 HEX JAM NYLOC
539 99041119.. .... 5.... SCREW #10-24 x ½ HEX
539 99018820.. .... 1.... WASHER 5/16 SAE FLAT
539 10315321.. .... 3.... NUT M8 x 1.25 NYLOC
505 20330122.. .... 4.... SCREW, PAN HD 5/16-18 x 1¾
505 20340123.. .... 4.... NUT, ACORN 5/16-18
539 10540824.. .... 2.... WASHER #10 FLAT
539 97697725.. .... 5.... NUT #10-24 HEX NYLOC
539 10850726.. .... 4.... HCS 3/8-16 x 7/8
539 97697927.. .... 4.... NUT 3/8-16 HEX NYLOC
539 99066928.. .... 2.... HCS 5/16-18 x 1¾
539 99071729.. .... 2.... NUT 5/16-18 HEX NYLOC
510 36690130.. .... 1.... HARNESS, UPPER HANDLE
539 10317731.. .... 1.... NUT, IGNITION SWITCH
539 10317832.. .... 1.... CAP, IGNITION SWITCH NUT
539 99018733.. .... 2.... WASHER 5/16 SLW
539 91206334.. .... 2.... WASHER, CONE
539 13260235.. .... 1.... ROD END 8 MM, RH
539 13260136.. .... 1.... TUBE, ADJUSTING
539 13260537.. .... 1.... STUD, LH
539 13260438.. .... 1.... STUD, RH
539 13260339.. .... 1.... ROD END 8 MM, W/STUD
539 13260740.. .... 3.... NUT .8MM x 1.25 HEX
510 09870141.. .... 1.... NUT .8MM x 1.25 LH
539 13261442.. .... 1.... ROLL PIN 3 MM
510 09860143.. .... 1.... WASHER, 10 MM
539 13267444.. .... 2.... ACTUATOR, OPC
539 13261745.. .... 2.... LOCK, NEUTRAL
539 13261846.. .... 2.... LEVER
539 13262047.. .... 2.... SWITCH
539 13259948.. .... 2.... SPRING
539 10122449.. .... 1.... SPRING
539 13263550.. .... 2.... PIN, GROOVE ¼ x 1½
539 13267551.. .... 2.... HARNESS, SWITCH
539 13267752.. .... 2.... SCREW, OVAL HEAD 6MM
539 13260953.. .... 1.... TUBE, ADJUSTING
539 13260854.. .... 1.... ROD, HEADED
522 47810155.. .... 1.... UPPER HANDLE W/DECAL
539 13261356.. .... 1.... E-RING, 10MM
510 41760257.. .... 1.... PLATE, RESISTOR
539 10261758.. .... 2.... SCREW #10-24 x 7/8RD HD
NOT SHOWN
539 110802 ....1 .... SERVICE METER
(OPTIONAL)

10 - Husqvarna
PARKING BRAKE
10
4
6
5
1
3
8
7
2
1
9
11
12

Husqvarna - 11
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
PARKING BRAKE
539 1048081.. .... 4.... PILLOW BLOCK
539 1048072.. .... 2.... REINFORCEMENT BAR
539 1326853.. .... 1.... PARK BRAKE
510 2834024.. .... 1.... PEDAL
539 9907175.. .... 4.... NUT 5/16-18 HEX NYLOC
539 9769796.. .... 1.... NUT 3/8-16 HEX NYLOC
539 1017217.. .... 4.... HCS 5/16-18 x 2¾
539 9911268.. .... 1.... HCS 3/8-16 x 3¾
510 1363019.. .... 1.... SPRING, EXTENSION
539 10518710.. .... 1.... PAD, ANTI-SKID
539 10245511.. .... 1.... PIN, CLEVIS 3/8x 1½
539 10299812.. .... 4.... WASHER, FRICTION

12 - Husqvarna
HYDRO PUMP-MOTOR
12
1
13
12
9
10
16 13
30
26
57
13
5
35
14
6
3
2
17
1
33 32
29
4
11 35
11
27
12
34
31
28
7
15
18
19
8
8
18
19
22
23
25
9
24
29 4
37
39
47
48
42
45
46
67
38
35
56
68
52
35
64
57
12 62
49
51 53
54
41
65
40
61
66 69
21
16
61
43
55
58
59
60
50
36
44
63
20
54
73 72

Husqvarna - 13
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1325351.. .... 2.... U BRACKET
539 1325372.. .... 1.... BELLCRANK, RH
539 1325393.. .... 1.... BELLCRANK, LH
539 1325334.. .... 4.... BEARING, FLANGE
539 1325505.. .... 1.... LINK, CONTROL, RH
539 1325516.. .... 1.... LINK, CONTROL, LH
505 2473017.. .... 1.... RESERVOIR
539 1325618.. .... 4.... ELBOW 45° STRAIGHT THD
539 9907179.. .... 6.... NUT 5/16-18 HEX NYLOC
539 99062710.. .... 2.... HCS 5/16-18 x 1¼
539 97693511.. .... 4.... HCS 5/16-18 x 1½
539 97697912.. .... 8.... NUT 3/8-16 HEX NYLOC
539 10850713.. .... 7.... HCS 3/8-16 x 7/8
510 12990114.. .... 2.... HCS M10-1.58 x 100 GR 8.8
539 97694115.. .... 4.... HCS 3/8-16 x 1¼
539 91615916.. .... 2.... SPRING
510 20610117.. .... 1.... SPRING, EXTENSION
505 20320118.. .... 2.... HOSE, 4
505 20310119.. .... 2.... HOSE, 3
510 36280120.. .... 1.... WASHER, FIBER
539 10770521.. .... 2.... HCS M6-1.0 x 16MM GR 8.8
505 28020122.. .... 1.... HOSE, RETURN
505 28010123.. .... 1.... HOSE, SUCTION
539 97696624.. .... 3.... CLAMP, HOSE
539 10124225.. .... 1.... ELBOW 90°
505 28040126.. .... 1.... FITTING 90°
539 10672527.. .... 1.... BELT
539 10933228.. .... 2.... NUT 3/8-16 HEX JAM
510 13000129.. .... 2.... NUT, M10-1.5 NYLON RING
510 11100230.. .... 2.... BRACKET, SPRING
539 10789131.. .... 1.... CLIP
539 10122432.. .... 2.... SPRING
539 97693833.. .... 2.... HCS 5/16-18 x 2¼
539 99051734.. .... 2.... WASHER 3/8FLAT
539 99058535.. .... 7.... NUT 5/16-18 HEX WHIZLK
521 97600136.. .... 1.... PUMP, DUP10S
539 13251137.. .... 1.... SUPPORT, CAM LH
539 13251338.. .... 1.... SUPPORT, CAM RH
539 13252039.. .... 2.... BEARING, FLANGE
539 13251640.. .... 2.... ARM, HYDRO
539 13252341.. .... 2.... BEARING, FOLLOWER
539 13251942.. .... 1.... SHAFT, CAM
539 13251843.. .... 1.... CAM, TRACKING
539 13251744.. .... 1.... ARM, SPEED CONTROL
539 10300345.. .... 1.... KNOB, ADJUSTMENT
539 13268746.. .... 1.... SPRING, COMPRESSION
539 13252147.. .... 2.... WASHER, 20MM
539 13252448.. .... 1.... SPRING, COMPRESSION
539 13172749.. .... 1.... PULLEY, PUMP
539 13253250.. .... 1.... IDLER ARM, BLK
539 11022251.. .... 1.... SHOULDER BOLT
539 11368352.. .... 1.... V-IDLER
539 10812053.. .... 4.... NUT ¼-20 HEX THIN NYLOC
539 99058054.. .... 4.... HCS ¼-20 x ¾
539 10630755.. .... 1.... HCS M6-1.0 x 30MM GR 8.8
539 99058856.. .... 1.... HCS 3/8-16 x 2
539 20028257.. .... 2.... NUT 3/8-16 HEX JAM NYLOC
539 10014558.. .... 1.... RHSNB 3/8-16 x 2
539 10933259.. .... 1.... NUT 3/8-16 HEX JAM
539 99061360.. .... 1.... NUT 3/8-16 HEX WHIZLK
505 22400161.. .... 2.... ROLL PIN, 6 MM x 30 MM
539 13152862.. .... 1.... NUT, M10-1.5 L/H HEX
539 01019563.. .... 1.... SPRING
539 11289664.. .... 1.... J-BOLT
539 10354765.. .... 2.... WASHER
539 13189566.. .... 1.... PLUG
539 99018867.. .... 1.... WASHER 5/16 SAE FLAT
539 99012268.. .... 1.... WASHER, 3/8SAE FLT
539 13251569.. .... 1.... PLATE, NEUTRAL STOP
539 10315370.. .... 4.... NUT M8 x 1.25 NYLOC
539 99018771.. .... 2.... WASHER 5/16 SLW
539 97697772.. .... 2.... NUT #10-24 HEX NYLOC
521 97610173.. .... 2.... SCREW #10-24 SCKT HD
HYDRO PUMP-MOTOR

14 - Husqvarna
WHEELS AND TIRES
12 14
1
15 6
17
16
13
2
18
25
22
20
24
Torque to
75 ft/lbs
18
10
23
11
7
9
5
4
23
3
8
21
19
26

Husqvarna - 15
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1326831.. .... 1.... CASTER ARM
539 1325882.. .... 1.... CASTER FORK
539 1045563.. .... 1.... WHEEL ASSEMBLY, CASTER
539 1019054.. .... 1.... TIRE, CASTER
539 1046185.. .... 1.... RIM
539 1085076.. .... 8.... HCS 3/8-16 x 7/8
539 9235577.. .... 1.... ENDCAP
539 9773568.. .... 1.... NOTCHED ENDCAP
539 9773539.. .... 2.... ROLLER BEARING
539 10190710.. .... 1.... HCS ½-13 x 5½
539 10187211.. .... 1.... SPACER, CASTER
539 13267812.. .... 6.... SPACER, HEIGHT
539 10187413.. .... 1.... LYNCH PIN 7/16
539 10665614.. .... 2.... BUSHING
WHEELS AND TIRES
539 97699815.. .... 1.... ZERK
539 99051716.. .... 8.... WASHER 3/8FLAT
539 97697917.. .... 7.... NUT 3/8-16 HEX NYLOC
539 10133118.. .. 10.... NUT ½ HEX NYLOC
539 10834619.. .... 8.... HCS ½-13 x 2½
522 41290120.. .... 2.... WHEEL ASSM, REAR 36
522 413001 ....2 .... WHEEL ASSM, REAR 48/52
539 99029721.. .... 2.... PIN 1/8x 1½ COTTER
539 13268922.. .... 2.... HUB, WHEEL
539 91223423.. .... 4.... AIR VALVE
539 10117324.. .... 8.... NUT, LUG ½
539 10352725.. .... 1.... MOTOR, LT
521 911601 ....1 .... MOTOR, REVERSED, RT
521 99450126.. .... 2.... SPACER, HT ADJ ¼

16 - Husqvarna
36" MOWER DECK
Upper Deck
15
1
5
6
4
24
3
11
12
2
Torque to
150 ft/lbs (201 Nm)
14
13
25
5
26
30
29
28
27
31
9
21
20
22
7
10
9
8
19
18
16
17
23
32 34
35
33
9

Husqvarna - 17
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
36" MOWER DECK
522 0238011.. .... 2.... PULLEY
539 1305632.. .... 2.... NUT ¾-16 FLANGE
539 1148233.. .... 1.... CAP, VINYL
539 1032954.. .... 1.... BUSHING, IDLER
539 1032575.. .... 1.... PULLEY, IDLER
539 1033036.. .... 1.... PAD, PAINTED
505 2901027.. .... 1.... COVER, BELT, 36
539 9905178.. .... 4.... WASHER 3/8FLAT
539 9769799.. .... 9.... NUT 3/8-16 HEX NYLOC
539 10850710.. .... 8.... HCS 3/8-16 x 7/8
539 10134111.. .... 1.... HCS 3/8-16 x 3
539 11065512.. .... 1.... SPRING
539 10845013.. .... 1.... DUST CAP, TOP
539 11189714.. .... 2.... WASHER, 3/8SPECIAL
505 24740115.. .... 1.... BELT, DECK 36
505 29040216.. .... 2.... WEDGE
539 11081317.. .... 2.... RETAINER ¼-20 "U" TYPE
539 13258118.. .... 2.... HINGE, BIN
539 13257919.. .... 1.... BASE, HINGE
539 99005520.. .... 2.... WASHER, ¼ FLAT SAE
539 99058021.. .... 2.... HCS ¼-20 x ¾
510 12670122.. .... 2.... LATCH, SHORT WING
539 13039123.. .... 1.... ARM, IDLER, W/BEARINGS
539 13023524.. .... 1.... RHSNB 3/8-16 x 2¾
510 25450125.. .... 1.... SHIELD, DUST
539 10704226.. .... 1.... HCS 3/8-16 x 1½ GR 8
539 10933227.. .... 1.... NUT 3/8-16 HEX JAM
539 99061328.. .... 1.... NUT 3/8-16 HEX WHIZLK
539 13024229.. .... 1.... BUSHING, IDLER
539 10343330.. .... 1.... HCS ½-13 x 3¼
510 20630131.. .... 1.... PIVOT, BEARING
539 10224332.. .... 1.... WASHER, SUPPORT
522 02340133.. .... 1.... WASHER, THICK 3/8
539 10133134.. .... 1.... NUT ½ HEX NYLOC
539 11552835.. .... 1.... WASHER, BELLEVILLE ½

18 - Husqvarna
36" MOWER DECK
Lower Deck
12
10
9
8
11
10
14
1
21
23
23
20
3
4
Torque to
90 ft/lbs (122 Nm)
15
2
17
5
16
18
6
7
13
19
22
24
10
25
27
26

Husqvarna - 19
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
36" MOWER DECK
539 1313851.. .... 2.... SPINDLE ASSEM
522 4782012.. .... 1.... DECK W DECALS, 36"
539 1003413.. .... 2.... BLADE, 18"
539 1190074.. .... 2.... BOLT, BLADE
506 1135015.. .... 7.... NUT, FLANGE, ½-13
539 1325926.. .... 2.... NUT, PLATE
539 1325837.. .... 1.... HINGE, CHUTE
539 1309038.. .... 1.... RUBBER CHUTE
539 1309229.. .... 1.... REINFORCEMENT, BRKT
539 99071710.. .. 13.... NUT 5/16-18 HEX NYLOC
539 99018811.. .... 3.... WASHER 5/16 SAE FLAT
539 10293312.. .... 2.... RHSNB 5/16-18 x 1½
539 10047213.. .... 1.... RHSNB 5/16-18 x 1¼
539 99020914.. .... 2.... HCS 5/16-18 x 1
539 97732615.. .... 1.... GREASE POPPET
539 97697816.. .... 4.... NUT ¼-20 HEX NYLOC
539 99064317.. .... 4.... HCS ¼-20 x 7/8
539 99059818.. .... 8.... WASHER ¼ FLAT
539 10844919.. .... 1.... DUST CAP, BOTTOM
539 10147420.. .... 1.... ZERK
539 99025421.. .... 4.... WASHER ½ SLW
539 10845022.. .... 2.... DUST CAP, TOP
539 10875423.. .... 2.... SEAL, SHAFT
539 99062724.. .... 8.... HCS 5/16-18 x 1¼
522 00050225.. .... 2.... WEIGHT, COUNTER
539 10837426.. .... 4.... HCS ½-13 x 1½
539 99025027.. .... 4.... WASHER ½ SAE FLAT

20 - Husqvarna
15
1
5
6
4
24
3
30
12
2
Torque to
150 ft/lbs (201 Nm)
14
13
25
5
26
35
29
28
27
31
9
32
21
20
22
7
10
9
819
18
16
17
23
11
1
48" MOWER DECK
Upper Deck
9
34
11
33