Husqvarna PZ54 User manual

PZ54 / 966614003
Parts Manual
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.
Gasoline containing up to 10% ethanol (E10) is
acceptable for use in this machine.The use of any
gasoline exceeding 10% ethanol (E10) will void
the product warranty.

©2012 All rights reserved.
Orangeburg, SC. Printed in U.S.A.
Accessories Available
Collection System ----------------------------- 966 406901
Mulch Kit ----------------------------------------- 966 050401
OCDC Kit ---------------------------------------- 966 488701
(Operator Controlled Discharge Chute)
Bearing Kit -------------------------------------- 574 754201
When you need spare parts or support in service
questions, warranty issues, etc., please consult
the following professional:
This Parts Manual belongs to the machine with the
manufacturing number:
Engine Transmission
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.
Manufacturing Number
The machine’s manufacturing number can be found on
the printed plate affixed to the engine compartment.
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.

CONTENTS
NOTE: ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
FRAME ...................................................................................4
ENGINE PLATE ......................................................................6
STEERING .............................................................................8
FUEL SYSTEM .....................................................................10
PARKING BRAKE ................................................................12
HYDRAULIC PUMP-MOTOR ...............................................14
WHEELS / TIRES .................................................................16
MOWER LIFT / DECK LIFT ..................................................18
MOWING DECK / CUTTING DECK .....................................20
SEAT ....................................................................................22
DECALS ...............................................................................24
PROTECTION FRAME .........................................................26
ACCESSORIES ....................................................................28
BLOWER .......................................................................28
HOOD AND MOUNTS ..................................................30
SHIELDS .......................................................................32
MULCH KIT ...................................................................34
OCDC ...........................................................................36

4
FRAME
7
2
1
4
3
9
10
12
5
11
13
17
16 18
15
23
6
8
25
20
19
14
28
30
28
28
27
29
22
24
28
29
26
26
26
29
28

5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
FRAME
1.. 574 482801 .... 1 .... FRAME w/ SAFETY DECALS
2.. 574 215602 .... 1 .... FLOORPAN
3.. 574 215702 .... 1 .... FOOTREST
4.. 522 675702 .... 1 .... BUMPER, REAR
5.. 574 221602 .... 1 .... GUARD, REAR
6.. 574 228602 .... 1 .... PLATE, SKID
7.. 510 083201 .... 4 .... MOUNT, F/F INSERT
8.. 529 279603 .... 1 .... MOUNT, TANK RT RR
9.. 529 279703 .... 1 .... MOUNT, TANK LT RR
10.. 529 279903 .... 1 .... MOUNT, TANK RT FRT
11.. 529 280003 .... 1 .... MOUNT, TANK LT FRT
12.. 510 040301 .... 2 .... BRACKET, REST MOUNT
13.. 539 102845 .... 4 .... SPRING, TANK MOUNT
14.. 575 811501 .... 2 .... BUMPER, ¼-20 STUD 3/8"
15.. 539 102502 .... 4 .... STUD, FUEL TANK
16.. 539 109867 .... 1 .... CLAMP, DOUBLE TUBE
17.. 525 612801 .... 4 .... HHFS 3/8-16 x 1 HEX FLG
18.. 574 233801 .... 2 .... HHFS 5/16-18 x 2¼ HEX FLG
19.. 539 131780 .... 2 .... HHFS 5/16-18 x 3¾ HEX FLG
20.. 525 544001 .... 2 .... HHFS 5/16-18 x 1¼ TPBLT
21.. 525 464701 .... 7 .... HHFS 5/16-18 x ¾ HEX FLG
22.. 539 990858 .... 6 .... HCS 5/16-18 x ½ SLF TAP
23.. 539 100145 .... 2 .... RHSNB 3/8-16 x 2
24.. 539 113226 .... 6 .... BOLT 5/16-18 x 1 THD FRM
25.. 539 111028 .... 2 .... NUTSERT 5/16-18
26.. 521 996501 .... 7 .... NUT 3/8-16 HEX FLG NYLOC
27.. 539 108120 .... 2 .... NUT ¼-20 HEX THIN NYLOC
28.. 539 112899 . . 14 .... NUT 5/16-18 HEX FLG NYLOC
29.. 539 109600 . . 12 .... WASHER 5/16 DISC SPRING
30.. 539 990188 .... 4 .... WASHER 5/16 SAE FLAT

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

7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
ENGINE PLATE
1.. 510 004602 .... 1 .... PLATE, ENGINE
2.. 510 019801 .... 1 .... PULLEY, ENGINE
3.. 525 750301 .... 1 .... MUFFLER
4.. 525 749501 .... 1 .... CLUTCH, GT 3.5
5.. 522 676702 .... 1 .... STOP, CLUTCH
6.. 539 119680 .... 1 .... ADAPTOR, OIL DRAIN
7.. 539 118911 .... 2 .... PIPE 3/8 NPT x 3"
8.. 539 105072 .... 1 .... ELBOW 90O
9.. 522 837001 .... 1 .... PLUG, DRAIN 3/8 NPTF
10.. 539 932956 .... 1 .... FUEL LINE 10"
11.. 525 749901 .... 1 .... KEY ¼ SQ x 3½
12.. 539 109618 .... 1 .... O-RING
13.. 539 912222 .... 2 .... CLAMP, HOSE
14.. 505 280001 .... 1 .... TIE WRAP w/ CLIP
15.. 539 100143 .... 1 .... HCS 7/16-14 x 1 HEX NYLOC
16.. 539 100141 .... 1 .... HCS 7/16-20 x 1½ HEX NYL
17.. 539 990563 .... 4 .... HCS 3/8-16 x 1 HEX NYLOC
18.. 574 233801 .... 2 .... HHFS 5/16-18 x 2¼ HEX FLG
19.. 539 990208 .... 2 .... RHSNB 5/16-18 x 1
20.. 539 103153 .... 1 .... NUT M8X1.25 NYLOC
21.. 539 112899 .... 6 .... NUT 5/16-18 HEX FLG NYLOC
22.. 539 102582 .... 1 .... NUT 7/16-14 HEX WHIZ LK
23.. 539 990247 .... 1 .... WASHER 7/16 SLW
24.. 539 102593 .... 4 .... WASHER 3/8 SPRING
25.. 539 125626 .... 1 .... WASHER, HEAVY
NOT SHOWN
525 554201 ... 1 .... ENGINE HARNESS, KAW
574 825801 ... 1 .... KIT, SPARK ARRESTOR

8
STEERING
1
2
3
4
5
6
7
8
9
10
11 12
13
14
15
16
17
18
19
20
21
22
31
24
25
26
29
42
32
34
35
36
33
38
39
30
43
50
51
52
53
44
47
48
55
56
57
45
47
46
36
41
47
40 36 54
47
52
55
38
58
47
30
27
28
49
13
37

9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
STEERING
1.. 577 327702 .... 1 .... FRAME MOUNT ORG
2.. 525 447901 .... 1 .... SEAT STRUT ASSY
3.. 539 113792 .... 1 .... SWITCH, BRAKE (3-POLE)
4.. 539 109553 .... 2 .... SWITCH, INTERLOCK
5.. 539 131518 .... 4 .... BEARING, FLANGE
6.. 577 251701 .... 2 .... BRACKET, CONTROL
7.. 577 265801 .... 2 .... BRACKET, DAMPENER
8.. 574 269401 .... 2 .... LEVER, MOTION
9.. 577 042403 .... 1 .... LEVER w/ GRIP RT
10.. 577 042303 .... 1 .... LEVER w/ GRIP LT
11.. 576 140302 .... 2 .... LEVER, CONTROL
12.. 539 131749 .... 2 .... ROD END, SPHERICAL
13.. 539 102590 .... 4 .... BALL END
14.. 539 102845 .... 1 .... SPRING
15.. 539 020035 .... 1 .... SPRING
16.. 576 850301 .... 1 .... SPRING
17.. 577 252401 .... 2 .... SPACER, PIVOT
18.. 511 594901 .... 1 .... BUSHING ¼ FLANGE
19.. 511 595001 .... 1 .... LINK, SWITCH
20.. 539 110607 .... 2 .... BALL STUD 10MM
21.. 539 130894 .... 2 .... GRIP, LEVER
22.. 578 811501 .... 2 .... BUMPER
23.. 539 131799 .... 1 .... KNOB
24.. 516 020301 .... 2 .... DAMPENER ASSY
25.. 539 104763 .... 4 .... RETAINER, U TYPE
26.. 577 251801 .... 2 .... BLOCK, TRACKING
27.. 522 559201 .... 2 .... LINKAGE. CONTROL RT
28.. 522 842801 .... 2 .... LINKAGE, CONTROL RR
29.. 510 082101 .... 4 .... MOUNT, ISO
30.. 539 109149 .... 4 .... TURNBUCKLE
31.. 581 223001 .... 1 .... PLATE, NUT
32.. 539 976988 .... 4 .... HAIRPIN COTTER
33.. 539 101332 .... 2 .... HHFS ½-13 x 2¾
34.. 525 612801 .... 4 .... HHFS 3/8-16 x 1
35.. 525 866201 .... 4 .... HHFS 3/8-16 x 2
36.. 525 464701 . . 20 .... HHFS 5/16-18 x ¾ HEX FLG
37.. 525 544001 .... 4 .... HHFS 5/16-18 x 1¼ TPBLT
38.. 574 822701 .... 6 .... SCREW 10-24 x ¾ SKT HD
39.. 576 850402 .... 2 .... SCREW 5/16-18 x 1¾ BTN HD
40.. 539 990627 .... 1 .... BOLT 5/16-18 x 1¼ HEX TPBLT
41.. 539 990074 .... 1 .... RHSNB ¼-20 x ¾ GR 2
42.. 539 990316 .... 2 .... RHSNB 5/16-18 x ¾
43.. 539 913847 .... 2 .... RETAINER NUT 3/8
44.. 539 990717 .... 2 .... NUT 5/16-18 HEX NYLOC
45.. 521 996501 .... 4 .... NUT 3/8-16 HEX FLG NYLOC
46.. 539 108732 .... 4 .... NUT 3/8-24 HEX JAM
47.. 539 112899 . . 12 .... NUT 5/16-18 HEX FLG NYLOC
48.. 539 976977 .... 2 .... NUT 10-24 HEX NYLOC
49.. 539 990223 .... 4 .... NUT 5/16-24 HEX
50.. 539 127046 .... 2 .... NUT M8 x 1.25 HEX STD
51.. 539 102234 .... 1 .... NUT ¼ PUSH
52.. 539 108120 .... 4 .... NUT ¼-20 HEX THIN NYLOC
53.. 539 108010 .... 2 .... NUT ½-13 HEX JAM NYLOC
54.. 539 990187 .... 2 .... WASHER 5/16 SLW
55.. 539 990188 .... 3 .... WASHER 5/16 SAE FLAT
56.. 539 990122 .... 4 .... WASHER 3/8 SAE FLT
57.. 539 111897 .... 4 .... WASHER, SPECIAL
58.. 539 990692 .... 4 .... WASHER 5/16 STD FLT
NOT SHOWN
510 093601 ... 1 .... HARNESS, WIRING

10
FUEL SYSTEM
6
7
8
5
9
16
15
17
14
13
11
1
2
3
10
33
31
44
32
22
46
26
4
20
18
19
24
23
25
34
35
37
38
29
30
36
12
21
27
45
40
40
45
41
28
43
39
42