Husqvarna RZ5424 User manual

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. RZ5424 / 967003701

©2013 All rights reserved.
Orangeburg, SC. Printed in U.S.A.
When you need spare parts or support in service
questions, warranty issues, etc., please consult
the following professional:
This manual belongs to the machine with the
manufacturing number:
Engine Transmission
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.
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.
Accessories Available
Collection System ............................966 004201
Mulch Kit ..........................................531 309643

NOTE ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
CONTENTS
FRAME ........................................................................ 4
ENGINE PLATE ........................................................... 6
STEERING .................................................................. 8
IGNITION .................................................................. 10
BRAKE / LIFT ............................................................ 12
HYDRAULIC PUMP - MOTOR .................................. 14
WHEELS AND TIRES ................................................ 16
MOWER DECK / CUTTING DECK ............................ 18
SEAT ......................................................................... 20
DECALS .................................................................... 22
ACCESSORIES
BAGGER ...............................................................24
CHUTES, MOUNT.................................................26

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

5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
FRAME
1.. 510 261802 .... 1 .... PLATE, OUTER BRAKE BLK
2.. 510 206703 .... 1 .... PLATE, BRAKE LATCH BLK
3.. 580 528002 .... 1 .... PLATE, LIFT OUTER BLK
4.. 510 240502 .... 1 .... PLATE, LIFT INNER BLK
5.. 522 842902 .... 1 .... FOOT PLATE w/ SFTY DECLS
6.. 522 719506 .... 1 .... FOOT REST ORG
7.. 581 222802 .... 1 .... MOUNT, STRUT RT BLK
8.. 581 222902 .... 1 .... MOUNT, STRUT LT BLK
9.. 510 225902 .... 2 .... SUPPORT, FENDER BLK
10.. 510 177503 .... 1 .... FRAME, FRONT RT ORG
11.. 510 177403 .... 1 .... FRAME, FRONT LT ORG
12.. 510 177603 .... 1 .... FRAME, REAR TUBE ORG
13.. 539 104411 .... 1 .... KNOB w/ STUD
14.. 581 514301 .... 2 .... SWIVEL
15.. 521 938101 .... 1 .... LINK, FRONT SUSPENSION
16.. 580 486101 .... 6 .... SPACER ½ OD x 1½
17.. 539 102587 .... 6 .... GROMMET, BUMPER
18.. 510 016503 .... 1 .... LIFT PIN
19.. 539 110674 .... 4 .... SCREW 10-12 x 1¼ HEX WSH
20.. 874 780544 .... 3 .... HCS 5/16-18 x 2¾
21.. 874 780564 .... 4 .... HCS 5/16-18 x 4
22.. 874 780536 .... 6 .... HCS 5/16-18 x 2¼
23.. 874 780416 .... 2 .... HCS ¼-20 x 1
24.. 874 780648 .... 8 .... HCS 3/8-16 x 3
25.. 872 141608 .... 4 .... RHSNB 3/8-16 x 1
26.. 817 490642 .... 6 .... BOLT 3/8-16 x 25/8 THD FRM
27.. 819 141614 .... 6 .... WASHER 3/8 STD FLT
28.. 819 111116 . . 13 .... WASHER 5/16 SAE FLT
29.. 819 091016 .... 2 .... WASHER ¼ FLAT SAE ZD
30.. 539 200282 .... 6 .... NUT 3/8-16 HEX JAM NYLOC
31.. 539 112899 . . 15 .... NUT 5/16-18 HEX FLG NYLOC
32.. 521 996501 .... 8 .... NUT 3/8-16 HEX FLG NYLOC
33.. 539 119124 .... 2 .... NUT 7/16-14 HEX NYLOC
34.. 873 800400 .... 2 .... NUT ¼-20 HEX NYLOC

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

7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
ENGINE PLATE
1.. 532 448161 .... 1 .... PLATE, ENGINE BLK
2.. 532 400008 .... 1 .... CLUTCH
3.. 581 726501 .... 1 .... TUBE, EXHAUST RT
4.. 581 726401 .... 1 .... TUBE, EXHAUST LT
5.. 510 260402 .... 1 .... BRACKET, MUFFLER BLK
6.. 539 112092 .... 1 .... ARM, IDLER
7.. 539 101231 .... 1 .... SPINDLE, IDLER
8.. 539 110311 .... 1 .... PULLEY, IDLER
9.. 539 114530 .... 1 .... PULLEY, ENGINE
10.. 577 094601 .... 1 .... SPACER
11.. 584 825501 .... 1 .... HOSE, DRAIN
12.. 539 101364 .... 1 .... PLUG, OIL
13.. 522 599001 .... 1 .... ADAPTER, OIL DRAIN
14.. 539 101363 .... 1 .... CLAMP
15.. 522 442506 .... 1 .... STOP, CLUTCH BLK
16.. 584 989802 .... 1 .... GUARD, MUFFLER BLK
17.. 581 726301 .... 1 .... MUFFLER ASSY
18.. 532 196105 .... 1 .... SPRING, DECK DRIVE
19.. 539 132859 .... 1 .... SHIELD, MUFFLER
20.. 581 3328031 . . 1 .... HCS 7/16-20 x 2½
21.. 539 103433 .... 1 .... HCS ½-13 x 3¼
22.. 539 109389 .... 1 .... HCS 3/8-16 x 3½
23.. 539 976949 .... 4 .... HCS 3/8-16 x 1¾
24.. 539 107475 .... 4 .... BOLT 5/16-18 x ¾ THD FRM
25.. 539 990362 .... 1 .... SCREW ¼-20 x 5/8 THD FRM
26.. 539 990208 .... 2 .... RHSNB 5/16-18 x 1
27.. 539 990316 .... 2 .... RHSNB 5/16-18 x ¾
28.. 539 976979 .... 2 .... NUT 3/8-16 HEX NYLOC
29.. 539 101331 .... 1 .... NUT ½-13 HEX NYLOC
30.. 539 112899 .... 5 .... NUT 5/16-18 HEX FLG NYLOC
31.. 539 110064 .... 1 .... WASHER, CLUTCH
32.. 539 109554 .... 2 .... WASHER ½ FLT
33.. 539 990692 .... 2 .... WASHER 5/16 STD FLT
34.. 539 112670 .... 1 .... WASHER, HEAVY
35.. 539 990118 .... 4 .... WASHER 3/8 SPLT LK
NOT SHOWN
532 198316 ... 1 .... ADAPTER, CLUTCH
522 598601 ... 1 .... PIGTAIL

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

9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
STEERING
1.. 579 036901 .... 2 .... LEVER w/ GRIP
2.. 525 392901 .... 2 .... GRIP, FOAM
3.. 577 251701 .... 2 .... BRACKET, CONTROL
4.. 539 131518 .... 4 .... BEARING, FLANGE
5.. 576 140301 .... 2 .... LEVER, CONTROL
6.. 577 420001 .... 2 .... LEVER, HANDLE
7.. 577 252401 .... 2 .... SPACER, PIVOT CONTROL
8.. 539 102720 .... 2 .... DAMPENER
9.. 577 251801 ... 2 .... BLOCK, TRACKING
10.. 539 102845 .... 1 .... SPRING
11.. 576 850301 .... 1 .... SPRING
12.. 539 131799 .... 1 .... KNOB
13.. 580 624201 .... 2 .... ROD, MOTION CONTROL
14.. 539 115729 .... 2 .... ROD END RH
15.. 539 116690 .... 2 .... ROD END MALE LH
16.. 539 116689 .... 2 .... COUPLER, ROD END
17.. 539 101332 .... 2 .... HCS ½-13 x 2¾
18.. 539 990209 .... 2 .... HCS 5/16-18 x 1
19.. 539 976935 .... 1 .... HCS 5/16-18 x 1½
20.. 525 464701 .... 8 .... HHFS 5/16-18 X ¾
21.. 539 990669 .... 2 .... HCS 5/16-18 x 1¾ TPBLT
22.. 578 296402 .... 4 .... SCREW 5/16-18 X 1½ BTN HD
23.. 576 850402 .... 2 .... SCREW 5/16-18 X 1¾ BTN HD
24.. 539 108010 .... 2 .... NUT ½-13 HEX JAM NYL GR2
25.. 539 112899 . . 10 .... NUT 5/16-18 HEX FLG NYLOC
26.. 539 991073 .... 2 .... NUT 5/16-24 HEX JAM LH
27.. 539 990717 .... 6 .... NUT 5/16-18 HEX NYLOC
28.. 539 990585 .... 4 .... NUT 5/16-18 HEX WHIZLK
29.. 539 990223 .... 4 .... NUT 5/16-24 HEX
30.. 539 990188 .... 4 .... WASHER 5/16 SAE FLT

10
IGNITION
1
2
3
6
7
8
5
9
10
13
11
15
17
19
21
25
26
27
28
34
12
32
36
14
35
42
43
37
41
49
50
48
47
45
44
16
46
29
23
24
22
33
4
49
40
51
18
30
20
31
38
39