Husqvarna RZ4623 / 967009801 User manual

RZ4623 / 967009801
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.
©2011 All rights reserved.
Orangeburg, SC Printed in U.S.A.
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.
Accessories Available
Collection System ............................966 004101
Mulch Kit ..........................................531 309580

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
ACCESSORIES
BAGGER ...............................................................24
CHUTES, MOUNT.................................................26

1
30
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
27
27
28
32
24
21
26
27
11
5
18
25
35
29
29
30
31
19
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 .... FOOT PLATE w/ SFTY DECLS
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.. 510 177603 .... 1 .... FRAME, REAR TUBE ORG
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 976989 .... 3 .... HAIRPIN
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 111116 . . 13 .... WASHER 5/16 SAE FLT
28.. 819 091016 .... 2 .... WASHER ¼ FLT
29.. 819 141614 .... 6 .... WASHER 3/8 STD FLT
30.. 819 182212 .... 2 .... WASHER ½ FLT
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
35.. 539 200282 .... 6 .... NUT 3/8-16 HEX JAM NYLOC
5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
FRAME

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
34
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.. 872 140508 .... 2 .... RHSNB 5/16-18 x 1
19.. 872 140506 .... 1 .... RHSNB 5/16-18 x ¾
20.. 874 610756 .... 1 .... HCS 7/16-20 x 3½
21.. 874 780852 .... 1 .... HCS ½-13 x 3¼
22.. 874 520656 .... 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.. 817 490512 .... 4 .... BOLT 5/16-18 x ¾ THD FRM
27.. 838 800800 .... 1 .... NUT ½-13 HEX NYLOC
28.. 873 800600 .... 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.. 819 182212 .... 2 .... WASHER ½ FLT
32.. 819 121414 .... 2 .... WASHER 5/16 STD FLT
33.. 539 110064 .... 1 .... WASHER, CLUTCH
34.. 539 132859 .... 1 .... SHIELD, HEAT
7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION

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
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.. 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.. 874 780844 .... 2 .... HCS ½-13 x 2¾
18.. 874 780516 .... 2 .... HCS 5/16-18 x 1
19.. 874 780524 .... 1 .... HCS 5/16-18 x 1½
20.. 874 490512 .... 8 .... HHFS 5/16-18 X ¾
21.. 874 780528 .... 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.. 873 800500 .... 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
9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
STEERING

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