Husqvarna LZ25 / 968999772 User manual

English
Parts Manual
LZ25 / 968999772
LZ30 / 968999776
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.

©2007 HTC. All rights reserved.
Beatrice, NE. Printed in U.S.A.
When you need spare parts or support in service questions, warranty issues, etc., please consult the following
professional:
Manufacturing Number
Stated on the plate, from the top are:
The machine’s type designation (I.D.).• The manufacturer’s type number (Model).• The machine’s serial number (Serial no.)•
Please have the type designation and serial number available when ordering spare parts.
The engine’s manufacturing number is stamped on one of the valve covers.
The plate states:
The engine’s model.• The engine’s type.• Code•
Please have these available when ordering spare parts.
The wheel motors and hydrostatic pumps have a barcode decal affixed at the rear.
This Parts Manual belongs to the machine with the
manufacturing number: Engine Transmission
The machine’s manufacturing
number can be found on the
printed plate affixed to the engine
compartment. Illustration at left
shown with engine removed.
D
R
O
401 N COMMERCE STREET
TRICE NE 68310 U.S.A.
MADE IN U.S.A.

NOTE: ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
SECTION PAGE SECTION PAGE
CONTENTS
CHASSIS / FRAME....................................................4
ENGINE PLATE
KOHLER ENGINE................................................6
KAWASAKI ENGINE............................................8
STEERING...............................................................10
IGNTION SYSTEM...................................................12
PARKING BRAKE ....................................................14
HYDRAULIC PUMP-MOTOR...................................16
WHEELS AND TIRES .............................................. 18
MOWER LIFT / DECK LIFT......................................20
FUEL SYSTEM.........................................................22
SEAT ........................................................................24
DEBRIS SHIELD......................................................26
DECALS...................................................................28
ROPS .......................................................................30
SCHEMATICS..........................................................32

4
CHASSIS / FRAME
7
2
1
8
6
4
9
31
13
14
33
36
20
12
5
11
15
21
17 16
18
37
10
32
24
34
30
35
3
19
21
22
23
23
25
2627
28
23
29
21
23
31
31
30
26
27
31
33
38
30
39
40

5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
CHASSIS / FRAME
539 1011761.. ....2 ....PULLEY
539 1011772.. ....2 ....KEY
539 1023353.. ....2 ....HCS 5/16-18 x 4
539 1028454.. ....8 ....SPRING-FUEL TANK
539 1043345.. ....1 ....BELT-PUMP
539 1045216.. ....2 ....SPACER, STRUT
539 1047217.. ....1 ....FOOT PLATE
539 9777788.. ....3 ....PAD, ANTI-SKID
539 1047639.. ....4 ....RETAINER, 5/16-18 U-TYPE
539 10489710.. ....2 ....SPACER-TANK
539 11065511.. ....1 ....SPRING
539 11097612.. ....1 ....GUARD, BLACK
539 11263413.. ....2 ....SKID PLATE
539 10696114.. ....4 ....STRAP, BLACK
539 13039215.. ....1 ....ARM, IDLER-W/BEARINGS
539 97668816.. ....1 ....PULLEY, IDLER HD
539 97669517.. ....1 ....BUSHING, IDLER FLANGE
539 13020518.. ....1 ....PIVOT BEARING
539 11189719.. ....1 ....WASHER,
3/8SPECIAL
539 99012220.. ....1 ....WASHER, 3/8SAE FLT
539 97697921.. ....3 ....NUT 3/8-16 HEX NYLOC
539 10134122.. ....1 ....HCS 3/8-16 x 3
539 99051723.. ....3 ....WASHER 3/8FLAT STD
539 99058824.. ....1 ....HCS 3/8-16 x 2
539 11466225.. ....1 ....SHIELD, DUST
539 99061326.. ....1 ....NUT 3/8-16 HEX WHIZLK
539 99065527.. ....1 ....HCS 3/8-16 x 1½
539 11900728.. ....2 ....BLADE BOLT/WASHER
539 99056329.. ....6 ....HCS 3/8-16 x 1
539 99018430.. ....4 ....NUT 5/16-18 HEX CTRLK
539 99069231.. ..28 ....WASHER 5/16 FLAT STE STD
539 99031632.. ..10 ....RHSNB 5/16-18 x ¾
539 99020933.. ..14 ....HCS 5/16-18 x 1
539 99071734.. ....4 ....NUT 5/16-18 HEX NYLOC
539 11063135.. ....2 ....ROLL PIN
539 99018736.. ....4 ....WASHER 5/16 LOCK
539 10258737.. ..10 ....BUMPER
539 11043338.. ....1 ....GROMMET FUEL LINE
539 13230239.. ....1 ....CROSS SHAFT STRUT
539 13223240.. ....1 ....FRAME W/DECALS
NOT SHOWN
539 112981....1 .... DECK STOP
539 107476 ...2 .... BOLT 3/8-16 x 1 THD FRM

6
ENGINE PLATE
11
13
5
3
9
8
2
7
14
6
1
10
12
4
2
1
9
1
13
15
16
17
18
KOHLER ENGINE
19
WHITE
VIOLET
RED
WHITE
VIOLET

7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 9907171.. ....4 ....NUT 5/16-18 HEX NYLOC
539 9906692.. ....4 ....HCS 5/16 x 1¾
539 1001523.. ....1 ....KEY
539 1060574.. ....1 ....PULLEY
539 1054065.. ....1 ....CLUTCH
539 9902476.. ....1 ....WASHER, 7/16 LOCK
539 9911207.. ....1 ....HCS
7/16 x 2½
539 1068198.. ....1 ....CLUTCH TIE DOWN
539 9906929.. ....2 ....WASHER, 5/16 FLAT
539 10589610.. ....1 ....MUFFLER
539 99018711.. ....2 ....LOCK WASHER 5/16
539 11109312.. ....1 ....BRACKET MUFFLER
539 99020913.. ....4 ....HCS 5/16-18 x 1
539 10793714.. ....1 ....OIL DRAIN HOSE
539 99058015.. ....1 ....HCS ¼-20 x ¾
539 10136316.. ....1 ....CLAMP
539 99076117.. ....1 ....NUT ¼-20 CNTRLOCK
539 11009318.. ....2 ....OIL DRAIN FITTING
539 10441619.. ....1 ....PIGTAIL
ENGINE PLATE
KOHLER ENGINE

8
ENGINE PLATE
KAWASAKI ENGINE
11
13
5
39
8
2
7
14
6
1
10
12
4
2
1
9
1
13
15
16
17
18
20
21
17
19
VIOLET
WHITE
GRAY
WHITE GRAY
VIOLET GRAY

9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
ENGINE PLATE
KAWASAKI ENGINE
539 9907171.. ....4 ....NUT 5/16-18 HEX NYLOC
539 9906692.. ....4 ....HCS 5/16 x 1¾
539 1001523.. ....1 ....KEY
539 1060574.. ....1 ....PULLEY
539 1054065.. ....1 ....CLUTCH
539 9902476.. ....1 ....WASHER 7/16 LOCK
539 9911207.. ....1 ....HCS
7/16 x 2½
539 1068198.. ....1 ....CLUTCH TIE DOWN
539 9906929.. ....2 ....WASHER 5/16 FLAT
539 10589710.. ....1 ....MUFFLER
539 99018711.. ....2 ....WASHER 5/16 LOCK
539 11109312.. ....1 ....BRACKET MUFFLER
539 99020913.. ....4 ....HCS 5/16-18 x 1
539 10793714.. ....1 ....OIL DRAIN HOSE
539 99058015.. ....1 ....HCS ¼-20 x ¾
539 10268516.. ....1 ....CLAMP
539 99076117.. ....3 ....NUT ¼-20 CNTRLOCK
539 10540918.. ....1 ....GROUND WIRE
539 10441519.. ....1 ....PIGTAIL
539 99007220.. ....2 ....HCS ¼-20 x 5/8
539 99005321.. ....2 ....WASHER, ¼ INT TOOTH

10
STEERING
13
12
4
6
7
3
1
2
8
5
10
15
11
9
18
16
21
20
23
24
14
17
22
25
13
14
6
7
22
24
26
19
18 32
27
30 33
28
29
31
32
34
36 35

11
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 9907171.. ....7 ....NUT 5/16-18 HEX NYLOC
539 1319322.. ....2 ....DAMPENER
539 1106073.. ....2 ....STUD, 10mm BALL
539 1316224.. ....1 ....CONTROL WLDMT LT
539 1316235.. ....1 ....CONTROL WLDMT RT
539 1050696.. ....4 ....E-RING 5/8
539 1019497.. ....2 ....E-RING ½
539 1108338.. ....1 ....CONTROL SHAFT
539 1106049.. ....1 ....SPHERICAL ROD END LH
539 11060310.. ....1 ....SPHERICAL ROD END RH
539 99107311.. ....1 ....NUT 5/16-24 HEX JAM LH
539 99022312.. ....1 ....NUT 5/16-24 HEX
539 11107413.. ....2 ....BRACKET DAMPENER
539 99082014.. ....2 ....NUT ¾-16 HEX
539 10300315.. ....1 ....KNOB
539 11103916.. ....1 ....SPRING
539 99069217.. ....4 ....WASHER, 5/16 FLAT
539 10251918.. ....2 ....BUSHING
539 99020919.. ....4 ....HCS 5/16-18 x 1
539 10839420.. ....1 ....HCS 5/16-18 x 1¾ TPBLT
539 99019621.. ....1 ....NUT 5/16-18 HEX
539 10476322.. ....2 ....RETAINER, 5/16-18 U-TYPE
539 99018423.. ....2 ....NUT 5/16-18 HEX CTRLK
539 11094324.. ....4 ....NUT
5/16-24 NYLOC
539 99056325.. ....2 ....HCS 3/8-16 x 1
539 10259326.. ....2 ....WASHER 3/8SPRING
539 10108027.. ....2 ....SWITCH-INTERLOCK 2P
539 11063828.. ....1 ....ARM, CONTROL SHAFT
539 10267829.. ....1 ....TAPPED PLATE
539 97697930.. ....3 ....NUT 3/8-16 HEX NYLOC
539 99073031.. ....3 ....HCS 3/8-16 x 1¾
539 97695232.. ....2 ....SCREW 10-24 x .625
539 97699833.. ....1 ....ZERK
539 13070234.. ....1 ....CONTROL-DRIVE, LT
539 130701...1 .... CONTROL- DRIVE, RT
539 99054635.. ....4 ....NUT 3/8-16 HEX CTR LK
539 99058236.. ....4 ....HCS 3/8-16 x 1 WHIZLK
STEERING

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

13
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
IGNITION SYSTEM
539 1109531.. ....1 ....CONSOLE
539 1316272.. ....1 ....SWITCH, PTO 10 AMP
539 1027323.. ....1 ....THROTTLE CABLE
539 9903624.. ....4 ....SCREW ¼-20 x 5/8
539 9900525.. ....4 ....WASHER, ¼ SPLIT LOCK
539 9769776.. ....2 ....NUT #10-24 HEX NYLOC
539 9904117.. ....2 ....HCS #10-24 x ½
539 1075418.. ....1 ....IGNITION SWITCH
539 1100749.. ....1 ....HOUR METER
539 10754410.. ....1 ....KEY, IGNITION
539 99059811.. ....4 ....WASHER, ¼ FLAT
539 10261712.. ....2 ....SCREW #10-24 x 7/8SLT HD
539 97693413.. ....2 ....HCS 5/16-18 x ¾
539 99071714.. ....2 ....NUT 5/16-18 HEX NYLOC
539 10275815.. ....1 ....CABLE, NEGATIVE
539 10275916.. ....2 ....INSULATOR-BATTERY
539 13020817.. ....1 ....CHOKE CNTRL / LZ25 ONLY
539 10516918.. ....1 ....KNOB
539 10572819.. ....1 ....HOLD DOWN, BATTERY
539 10497420.. ....1 ....CABLE, POSITIVE / LZ25
539 102757...1 .... CABLE, POSITIVE / LZ30
539 10258721.. ....4 ....BUMPER
539 11081522.. ....2 ....WIRE CLIP PUSH-MOUNT
539 11379223.. ....1 ....SWITCH, BRAKE
539 10243624.. ....1 ....BATTERY, DRY
539 11379125.. ....1 ....HARNESS

14
PARKING BRAKE
8
7
6
5
4
3
213
12
11
10
9
19
1
15
16
14
18
21
20
17
7
22
7
7
7
13

15
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
PARKING BRAKE
539 1330471.. ....2 ....CALIPER, PARK BRAKE
539 1139472.. ....1 ....LINKAGE, BRAKE
539 1139493.. ....1 ....LINKAGE, REAR BRAKE
539 9902894.. ....2 ....NUT 3/8-24 HEX CTRLK
539 1139505.. ....2 ....BRACKET L
539 1087326.. ....2 ....NUT 3/8-24 HEX JAM
539 9901227.. ..14 ....WASHER, 3/8SAE FLT
539 1139528.. ....1 ....SPRING
539 1139489.. ....2 ....PLATE, BRAKE
539 11394610.. ....1 ....BELLCRANK, BRAKE
539 11063111.. ....1 ....ROLL PIN
539 99003712.. ....3 ....COTTER PIN
539 20028213.. ....6 ....NUT 3/8-16 HEX JAM NYLOC
539 99056314.. ....2 ....HCS 3/8-16 x 1
539 11395115.. ....4 ....SB
3/8-16 x 2 SKT HD
539 10861916.. ....1 ....BUSHING
539 10861617.. ....1 ....LEVER, BRAKE
539 11062418.. ....1 ....CROSS SHAFT
539 10503619.. ....1 ....GRIP, BRAKE HANDLE
539 92378720.. ....2 ....BUSHING
539 10115121.. ....1 ....RETAINER RING
539 11347922.. ....1 ....BUSHING, ¾ x 2

16
HYDRAULIC PUMP-MOTOR
30
16
15
7
24
26 27
28
3
10
8
14
11
54
9
17
223
12
6
20
1
25
13
18
19
21
22
20
16
18
22
23
24
21
32
31
29

17
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
HYDRAULIC PUMP-MOTOR
539 1011651.. ....1 ....FILTER HEAD
539 1012022.. ....1 ....CAP HYDRO TANK
539 1026063.. ....1 ....FILTER
539 1050244.. ....1 ....OIL TANK
539 1069335.. ....1 ....FILTER BRACKET
539 1108136.. ....4 ....RETAINER ¼-20 U-TYPE
539 1108147.. ....1 ....TANK MOUNT
539 1108158.. ....1 ....WIRE CLIP PUSH-MOUNT
539 1108239.. ....2 ....TI15 WHEEL MOTOR
539 13214210.. ....1 ....PUMP 10cc W/FAN LEFT
539 13214311.. ....1 ....PUMP 10cc W/FAN RIGHT
539 97693412.. ....2 ....HCS 5/16-18 x ¾
539 97697813.. ....2 ....NUT ¼-20 HEX NYLOC
539 99005214.. ....2 ....WASHER, ¼ SPLIT LOCK
539 99054615.. ....4 ....NUT 3/8-16 HEX CTR LK
539 99058016.. ....8 ....HCS ¼-20 x ¾
539 99058217.. ....4 ....HCS 3/8-16 x 1 WHIZLK
539 99059818.. ....4 ....WASHER ¼ FLAT
539 99071719.. ....2 ....NUT 5/16-18 HEX NYLOC
539 10123720.. ....4 ....FITTING STRAIGHT
539 10239621.. ....4 ....FITTING STRAIGHT
539 11378222.. ....2 ....FITTING STRAIGHT
539 10123823.. ....2 ....FITTING ELBOW
539 13231624.. ....2 ....FITTING ELBOW
539 13229025.. ....1 ....“T” ASSEM RETURN
539 13228826.. ...1 ....TANK HOSE
539 13228927.. ...1 ....“T” ASSEM SUPPLY
539 10516828.. ....1 ....CAP
539 13228429.. ....1 ....HYDRAULIC LINE
539 13228530.. ....1 ....HYDRAULIC LINE
539 13228631.. ....1 ....HYDRAULIC LINE
539 13228732.. ....1 ....HYDRAULIC LINE

18
WHEELS AND TIRES
5
4
2
6
1
3
7
11
12
13
9
8
10
12
14
15
14
16
15
18
18
17
19
22
20
21
24
26 25
23
27
4
28
29

19
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1125921.. ....2 ....TIRE ASSEM, RR 23 x 9.5-12
539 1125992.. ....2 ....TIRE RR
539 1073923.. ....2 ....RIM RR
539 9122344.. ....4 ....VALVE
539 1323005.. ....2 ....MOUNT WHEEL MOTOR
539 9902546.. ....4 ....WASHER, ½ SPLT LOCK
539 9902587.. ....4 ....NUT ½-13 HEX
539 1042888.. ....1 ....COTTER PIN
539 1011739.. ....4 ....LUG NUT ½
539 91656110.. ....1 ....BUSHING, 1 x 14 GA
539 10133211.. ....4 ....HCS ½-13 x 2¾
539 99062212.. ....8 ....BOLT ½-13 x 1¼ WHIZLK
539 99062913.. ....4 ....HCS 3/8-16 x 2¼
539 10133114.. ....8 ....NUT ½-13 HEX
539 97697915.. ....8 ....NUT 3/8-16 HEX NYLOC
539 97694116.. ....4 ....HCS 3/8-16 x 1¼
539 10253517.. ....2 ....CAP GREASE
539 10254318.. ....4 ....BEARING-ROLLER
539 10285219.. ....2 ....NUT 1-14 SLOTTED JAM
539 10147420.. ....2 ....ZERK
539 10288921.. ....2 ....COTTER PIN
539 10285122.. ....2 ....SEAL
539 10551723.. ....2 ....HCS ½-13 x 9½
539 10598224.. ....2 ....YOKE, CASTER
539 10551825.. ....4 ....SPACER, AXLE
539 10552126.. ....2 ....WHEELASSEM, CASTER
539 10133127.. ....2 ....NUT ½-13 HEX NYLOC
539 10330028.. ....2 ....ZERK
539 10552329.. ....2 ....RIM
WHEELS AND TIRES

20
MOWER LIFT / DECK LIFT
2
14
20
28
8
35
4
12
3
19
9
13
30
22
25
6
10
32
11
23
33
15
17
26
24
31
29
37
35
27
36
38
18
7
34
16
1
21
5
1
33
33
29
29
22
37
21
37
37
8
2
30
34