Husqvarna RZ4623 / 967009802 User manual

RZ4623 / 967009802
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.

When you need spare parts or support in service
questions, warranty issues, etc., please consult
the following professional:
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.
©2011 All rights reserved.
Orangeburg, SC Printed in U.S.A.
This Parts Manual belongs to the machine with the
manufacturing number:
Engine Transmission

CONTENTS
NOTE: ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
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

1
26
6
31
22
20
7
17
15
2
3
13
9
12
8
4
16
27
31
31
24
23
31
14
33
12
20
17
910
17
34
27
27
28
32
19
21
FRAME
25
27
11
5
18
24
30
29
29
30
31
4

FRAME
1.. 510 261802 .... 1 .... PLATE, OUTER BRAKE BLK
2.. 510 206703 .... 1 .... PLATE, BRAKE LATCH BLK
3.. 510 245604 .... 1 .... PLATE, LIFT OUTER BLK
4.. 510 240502 .... 1 .... PLATE, LIFT INNER BLK
5.. 522 842902 .... 1 .... PLATE, FOOT w/DECALS
6.. 522 719504 .... 1 .... FOOT REST ORG
7.. 522 443302 .... 1 .... MOUNT, STRUT RT BLK
8.. 522 443304 .... 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.. 539 976989 .... 3 .... HAIRPIN
13.. 539 104411 .... 1 .... KNOB w/ STUD
14.. 539 114789 .... 2 .... SWIVEL
15.. 521 938101 .... 1 .... LINK, FRONT SUSPENSION
16.. 515 988101 .... 6 .... SPACER ½ OD x 1½
17.. 539 102587 .... 6 .... GROMMET, BUMPER
18.. 539 102526 .... 1 .... LIFT PIN
19.. 539 101341 .... 8 .... HCS 3/8-16 x 3
20.. 539 101721 .... 3 .... HCS 5/16-18 x 2¾
21.. 539 102335 .... 4 .... HCS 5/16-18 x 4
22.. 539 976938 .... 6 .... HCS 5/16-18 x 2¼
23.. 539 977761 .... 2 .... HCS ¼-20 x 1
24.. 539 990645 .... 4 .... RHSNB 3/8-16 x 1
25.. 539 111976 .... 6 .... BOLT 3/8-16 x 25/8 THD FRM
26.. 539 109554 .... 2 .... WASHER ½ FLT
27.. 539 990188 . . 13 .... WASHER 5/16 SAE FLT
28.. 539 990055 .... 2 .... WASHER ¼ FLT
29.. 539 990517 .... 6 .... WASHER 3/8 STD FLT
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.. 539 976978 .... 2 .... NUT ¼-20 HEX NYLOC
5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION

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

ENGINE PLATE
1.. 575 327002 .... 1 .... PLATE, ENGINE BLK
2.. 539 112092 .... 1 .... ARM, IDLER
3.. 539 101231 .... 1 .... SPINDLE, IDLER
4.. 539 110311 .... 1 .... PULLEY, IDLER
5.. 505 287301 .... 1 .... CLUTCH, 105 FT/LBS
6.. 510 260502 .... 1 .... GUARD, MUFFLER BLK
7.. 539 114530 .... 1 .... PULLEY, ENGINE
8.. 539 112252 .... 1 .... SPACER
9.. 510 246002 .... 1 .... STOP, CLUTCH BLK
10.. 539 101362 .... 1 .... HOSE, DRAIN
11.. 539 101364 .... 1 .... PLUG, OIL
12.. 539 101363 .... 1 .... CLAMP
13.. 532 196105 .... 1 .... SPRING, DECK DRIVE
14.. 532 146699 .... 1 .... EXHAUST TUBE, RT
15.. 532 146700 .... 1 .... EXHAUST TUBE, LT
16.. 539 131604 .... 1 .... MUFFLER ASM TWIN
17.. 510 260402 .... 1 .... BRACKET, MUFFLER BLK
18.. 539 990208 .... 2 .... RHSNB 5/16-18 x 1
19.. 539 990316 .... 1 .... RHSNB 5/16-18 x ¾
20.. 539 976944 .... 1 .... HCS 7/16-20 x 3½
21.. 539 103433 .... 1 .... HCS ½-13 x 3¼
22.. 539 109389 .... 1 .... HCS 3/8-16 x 3½ TPBLT
23.. 532 120616 .... 4 .... HHFS 3/8-16 x 1 THD FRM
24.. 539 990362 .... 1 .... SCREW ¼-20 x 5/8 THD FRM
25.. 532 183906 .... 4 .... SCREW 5/16-18 x 1 SCKT HD
26.. 539 107475 .... 4 .... BOLT 5/16-18 x ¾ THD FRM
27.. 539 101331 .... 1 .... NUT ½-13 HEX NYLOC
28.. 539 976979 .... 2 .... NUT 3/8-16 HEX NYLOC
29.. 539 112899 .... 5 .... NUT 5/16-18 HEX FLG NYLOC
30.. 539 112670 .... 1 .... WASHER, HEAVY
31.. 539 109554 .... 2 .... WASHER ½ FLT
32.. 539 990692 .... 2 .... WASHER 5/16 STD FLT
33.. 539 110064 .... 1 .... WASHER, CLUTCH
7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION

STEERING
14
7
5
4
2
1
3
8
13
13
15
21
19
6
14
20
17
22
9
22
24
18
21
23
23
8

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.. 539 101332 .... 2 .... HCS ½-13 x 2¾
14.. 539 990209 .... 2 .... HCS 5/16-18 x 1
15.. 539 976935 .... 2 .... HCS 5/16-18 x 1½
16.. 539 101469 .... 2 .... HCS 5/16-18 x 1¼
17.. 578 296401 .... 4 .... SCREW 5/16-18 X 1 BTN HD
18.. 576 850402 .... 2 .... SCREW 5/16-18 X 1¾ BTN HD
19.. 525 464701 .... 8 .... HHFS 5/16-18 X ¾
20.. 539 108010 .... 2 .... NUT ½-13 HEX JAM NYL GR2
21.. 539 112899 . . 10 .... NUT 5/16-18 HEX FLG NYLOC
22.. 539 990717 .... 6 .... NUT 5/16-18 HEX NYLOC
23.. 539 990585 .... 4 .... NUT 5/16-18 HEX WHIZLK
24.. 539 990188 .... 4 .... WASHER 5/16 SAE FLT
9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION

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