Husqvarna MZ5225/968999717 User manual

English
Parts Manual
MZ5225 / 968999717 MZ6125 / 968999718
MZ7227 / 968999719 MZ5225BF / 968999720
MZ6125BF / 968999721 MZ5225C / 968999748
MZ6125C / 968999749 MZ25 / 968999780
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afxed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 afxed to the engine
compartment. Illustration at left
shown with engine removed.
MODEL
I.D.
SERIALNO
401N COMMERCE STREET
BEATRICENE 68310 U.S.A.
MADEIN U.S.A.

NOTE: ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
CONTENTS
CHASSIS / FRAME .................................................... 4
ENGINE PLATE.......................................................... 6
STEERING ................................................................. 8
CONTROLS.............................................................. 10
PARKING BRAKE .................................................... 12
HYDRAULIC PUMP-MOTOR................................... 14
WHEELS AND TIRES .............................................. 16
MOWER LIFT / DECK LIFT...................................... 18
52" DECK ................................................................. 20
61" DECK ................................................................. 22
72" DECK ................................................................. 24
SEAT ........................................................................ 26
CASTERS................................................................. 28
ELECTRICAL ........................................................... 30
DECALS ................................................................... 32
SCHEMATIC............................................................. 34

4 - Husqvarna
CHASSIS / FRAME
7
2
1
17
37
26
4
3
19
9
8
15
25
16
15
24
16
6
21
27
20
14
18
17
10
12
5
28
23
7
8
10
11
11
12
13
15
14
16
40
7
16
13
17
18
18
18
14
41
7
22
24
25
736
35
34
33
32
31
30
24
29
38
7
8
39
41

Husqvarna - 5
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
CHASSIS / FRAME
539 1315941.. ....1 .... GUARD, REAR
539 1317512.. ....2 .... SUPPORT, TOP
539 1117773.. ....6 .... RHSSNB¼-20x½
539 2006844.. ..12 .... RIVET, 3/16 STAVEX
539 1081205.. ....6 .... NUT ¼-20 HEX THIN NYLOC
539 1317536.. ....2 .... PANEL, HEX, RR
539 1128997.. ..15 .... NUT 5/16-18 FLANGE NYLOC
539 1317808.. ....8 .... HHFS 5/16-18x3¾
539 1061889.. ....1 .... FUEL CAP
539 97697810.. ....4 .... NUT ¼-20 HEX NYLOC
539 11178611.. ....4 .... RHSSNB¼-20x5/8
539 97693412.. ....2 .... HCS 5/16-18x¾
539 99018713.. ....2 .... WASHER 5/16 SLW
539 99018814.. ....9 .... WASHER 5/16 SAE FLAT
539 10284515.. ....6 .... SPRING, TANK MOUNT
539 10250216.. ....6 .... STUD 5/16C
539 10747517.. ..16 .... BOLT 5/16-18x¾THDFRM
539 10476318.. ..12 .... RETAINER, U TYPE
539 20028219.. ....6 .... NUT 3/8-16 HEX JAM NYLOC
539 13178120.. ....2 .... HHFS 3/8-16x2¾
539 97697921.. ....2 .... NUT 3/8-16 HEX NYLOC
539 10441122.. ....1 .... KNOB W/STUD
539 99013423.. ....2 .... HCS 3/8-16x¾
539 10258724.. ....7 .... GROMMET, BUMPER
539 13167125.. ....2 .... SUPPORT, TANK
539 11007426.. ....1 .... HOUR METER
539 13157927.. ....1 .... SIDE, RT
539 13238028.. ....1 .... PLATE, FOOTREST
539 13274429.. ....1 .... PLATE, FLOOR W/DECALS
539 10440930.. ....1 .... FUEL TANK, LEFT
539 13158931.. ....1 .... PANEL, FILLER, LT
539 13157732.. ....1 .... SIDE, LT
539 13159133.. ....1 .... PANEL, FILLER, RT
539 13153734.. ....1 .... MOUNT, BATTERY
539 13169235.. ....2 .... MOUNT, TANK, RR
539 97777836.. ....2 .... ABRASIVE PAD
539 12132237.. ....2 .... FOOT PAD
539 99020838.. ....3 .... RHSNB 5/16-18x1
539 13274339.. ....1 .... FRAME W/DECALS 52", 61"
539 132749 ...1 .... FRAME W/DECALS 72"
539 11322640.. ....1 .... BOLT 5/16-18x1THDFRM
539 13300641.. ....4 .... HHFS 3/8-16x2½

6 - Husqvarna
ENGINE PLATE
1
26
27
19
21
18
22
36
38
22
20
11
31
25
24
Torque to 50 ft/lbs
52
14
23
21 15
5
2
3
13
12
9
7
10
4
6
29
28
16
17
26
27
33
37 35
34
8
39
40
41
42
43
44
45
46
47
48
49
50
51
53
32
30
51
55

Husqvarna - 7
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1317261.. ....1 .... PLATE, ENGINE
539 1012312.. ....1 .... IDLER SPINDLE
539 1103113.. ....1 .... IDLER PULLEY
539 1120924.. ....1 .... IDLER ARM WLDMT
539 1083465.. ....1 .... HCS½-13x2½
539 1013316.. ....1 .... NUT½HEXNYLOC
539 9906927.. ....1 .... WASHER, 5/16 STD FLT
539 9905508.. ....1 .... WASHER,½STDFLT
539 1019779.. ....1 .... TRACTION SPRING
539 97697910.. ....3 .... NUT 3/8-16 HEX NYLOC
539 11012211.. ....1 .... HCS 3/8-16x2½TPBLT
539 99061312.. ....1 .... NUT 3/8-16 HEX WHIZLK
539 10261213.. ....1 .... HCS 3/8-16x2¾
539 10963914.. ....1 .... PULLEY
539 13172815.. ....1 .... TIE DOWN, CLUTCH
539 13172916.. ....1 .... DRAIN, OIL
539 10721017.. ....1 .... GROMMET
539 10136418.. ....1 .... PLUG-OIL
539 10171419.. ....1 .... SOLENOID
539 99007420.. ....2 .... RHSNB¼-20x¾GR2ZN
539 97697821.. ....6 .... NUT ¼-20 HEX NYLOC
539 10812022.. ....3 .... NUT ¼-20 HEX THIN NYLOC
532 12061623.. ....4 .... BOLT 3/8-16x1THDFRM
539 99024724.. ....1 .... WASH 7/16 SLW
539 99112025.. ....1 .... HCS 7/16-20x2½
539 99020926.. ....5 .... HCS 5/16-18x1
539 11289927.. ....5 .... NUT 5/16-18 FLANGE NYLOC
539 10136328.. ....2 .... CLAMP
539 99007129.. ....2 .... HCS¼-20x½
539 91275730.. ....1 .... KEY¼SQx1¼
539 99054631.. ....1 .... NUT 3/8-16 HEX CNTRLK
539 99030232.. ....2 .... SCREW¼-20x3/8THD FRM
539 10709833.. ....2 .... CLAMP
539 91632534.. ....1 .... FUEL VALVE
539 91222235.. ....4 .... HOSE CLAMP
539 10538236.. ....1 .... FUEL LINE-30"
539 10821237.. ....1 .... FUEL LINE-13"
539 10275938.. ....3 .... INSULATOR
539 99005339.. ....1 .... WASHER ¼ INT TOOTH LK
539 13173940.. ....1 .... MANIFOLD, FT
539 13174041.. ....1 .... MANIFOLD, RR
539 13160442.. ....1 .... MUFFLER ASM TWIN
539 13175843.. ....1 .... SHIELD, HEAT
539 13176944.. ....1 .... GUARD, MUFFLER
539 13177145.. ....1 .... MOUNT, MUFFLER
539 10476346.. ....4 .... RETAINER, U TYPE
539 10747547.. ....6 .... BOLT 5/16-18x¾THDFRM
539 99031648.. ....2 .... RHSNB 5/16-18x¾
539 99030249.. ....2 .... SCREW¼-20x3/8THD FRM
539 99071750.. ....2 .... NUT 5/16-18 HEX NYLOC
539 97693451.. ....4 .... HCS 5/16-18x¾
539 13273252.. ....1 .... CLUTCH, MODELS:
968999717, 968999720,
968999748
539 13273353.. ....1 .... CLUTCH, MODELS:
968999718, 968999719,
968999721, 968999749,
968999780
539 13241254.. ....1 .... CABLE, POSITIVE
539 11567555.. ....1 .... WASHER, 1.025ID X 1.64OD
NOT SHOWN
539 107516 ...1 .... PIGTAIL
ENGINE PLATE

8 - Husqvarna
STEERING
17
16
12
7
6
5
4
3
2
1
23
8
8
8
8
910
10
11
11
13
14
15
18
19
29
21
20
20
23
24
25
26
27
28
22
20
40
32
31
33
34
35
36
37
20
14
38
39
30
41

Husqvarna - 9
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1315461.. ....2 .... ARM, PUMP
539 9907172.. ....4 .... NUT 5/16-18 HEX NYLOC
539 1316583.. ....2 .... DAMPENER W/SPRING
539 1106074.. ....2 .... STUD, 10MM BALL
539 1317495.. ....2 .... ROD END
539 1315596.. ....2 .... PIN, SPIRAL, 5/32x1½
539 1270467.. ....2 .... NUTM8x1.25STDHEX
539 1128998.. ..18 .... NUT 5/16-18 FLANGE NYLOC
539 1184969.. ....2 .... NUT M8 NYLOC
539 13178010.. ....8 .... HHFS 5/16-18x3¾
539 97693511.. ....4 .... HCS 5/16-18x1½
539 13216312.. ....1 .... CONTROL WLDMT, LT
539 13216413.. ....1 .... CONTROL WLDMT, RT
539 13216814.. ....2 .... BUSHING, FLANGED, 5/8
539 13216915.. ....2 .... BUSHING, CLIP, 5/8
539 99020816.. ....4 .... RHSNB 5/16-18x1
539 10506917.. ....4 .... E-RING
539 13155118.. ....1 .... LINK, MOTION, LT
539 13155219.. ....1 .... LINK, MOTION, RT
539 99018820.. ....5 .... WASHER 5/16 SAE FLAT
539 10284521.. ....1 .... SPRING, TANK MOUNT
539 10839422.. ....1 .... HCS 5/16-18x1¾TPBLT
539 10874323.. ....4 .... NUT 5/16-24 CNTRLK
539 13151724.. ....1 .... BLOCK, UPPER
539 13151925.. ....1 .... BLOCK, LOWER
539 13151826.. ....2 .... BEARING, FLANGE
539 13152027.. ....1 .... PIVOT SECTION, DR CNTRL
539 13152128.. ....1 .... MOUNT, DR CNTRL HANDLE
539 99066929.. ....1 .... HCS 5/16-18x1¾
539 99019630.. ....2 .... NUT 5/16-18 HEX
539 13155031.. ....1 .... JACK SCREW
539 11060432.. ....1 .... SPHERICAL ROD END LH
539 11060333.. ....1 .... SPHERICAL ROD END RH
539 99107334.. ....1 .... NUT 5/16-24 HEX JAM LH
539 99022335.. ....1 .... NUT 5/16-24 HEX
539 13179936.. ....1 .... KNOB
539 10122437.. ....1 .... SPRING
539 13200938.. ....1 .... LEVER, DRIVE W/GRIP RT
539 132010 ...1 .... LEVER, DRIVE W/GRIP LT
539 13089439.. ....2 .... GRIP, DRIVER LEVER
539 11289940.. ....2 .... NUT, 5/16-18, FLANGE, NYLOC
539 13300741.. ....2 .... WASHER, .825, WAVE
STEERING

10 - Husqvarna
CONTROLS
1
2
3
4
5
6
7
8
5
9
10

Husqvarna - 11
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
CONTROLS
539 1075931.. ....1 .... CONSOLE
539 1316272.. ....1 .... SWITCH, PTO 10 AMP
539 1124383.. ....1 .... THROTTLE CABLE
539 1317214.. ....1 .... CONSOLE PLATE
539 9904115.. ....6 .... SCREW#10-24x½SLTHEX
539 9769776.. ....2 .... NUT #10-24 HEX NYLOC
539 1075417.. ....1 .... IGNITION SWITCH
539 1302098.. ....1 .... CONTROL, CHOKE
539 1054089.. ....4 .... WASHER #10 FLAT
539 13272310.. ....1 .... DECAL, CONSOLE
NOT SHOWN
539 976856 ...1 .... TIE, PLASTIC

12 - Husqvarna
PARKING BRAKE
8
7
6
5
4
3
2
1
14 13
12
11
10
9
26
19
1
14
15
16
14
14
19
25
18 21
23
22
16
28
20
27
30
31
6
24
10
32
33
72" BRAKE LAYOUT
29
17
35

Husqvarna - 13
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
PARKING BRAKE
539 1315991.. ....2 .... PLATE, BRAKE
539 1317372.. ....2 .... HUB, 5 BOLT
539 1317383.. ....2 .... CALIPER, PARK BRAKE
539 1321764.. ....3 .... BRACKET, L
539 1095625.. ....3 .... WASHER 3/8x¾x.187TK
539 1047636.. ....1 .... RETAINER, U TYPE
539 1139527.. ....2 .... SPRING
539 1321738.. ....1 .... CABLE, BRAKE, SHORT
539 1321749.. ....2 .... CABLE, BRAKE, LONG
539 11289910.. ....4 .... NUT 5/16-18 FLANGE NYLOC
539 10747511.. ....3 .... BOLT 5/16-18x¾THDFRM
539 99064512.. ....2 .... RHSNB 3/8-16x1
539 99012213.. ....2 .... WASHER, 3/8SAE FLT
539 20028214.. ....9 .... NUT 3/8-16 HEX JAM NYLOC
539 11395115.. ....4 .... SB 3/8-16x2½SKTHD
539 99056316.. ....5 .... HCS 3/8-16x1ZD
539 13215117.. ....1 .... ARM, BRAKE
539 13215818.. ....1 .... MOUNT, BRAKE WELDMENT
539 13216119.. ....4 .... BUSHING, BRAKE
539 13215420.. ....1 .... ACTUATOR, SWITCH
539 99058521.. ....3 .... NUT 5/16-18 HEX WHIZLK
539 13242322.. ....1 .... LEVER, BRAKE
539 13215323.. ....1 .... BELLCRAKE, BRAKE
539 10839624.. ....1 .... HCS 5/16-18x2½TPBLT
539 99071725.. ....1 .... NUT 5/16-18 HEX NYLOC
539 20028226.. ....2 .... NUT 3/8-16 HEX JAM NYLOC
539 11289927.. ....1 .... NUT 5/16-18 FLANGE NYLOC
539 99020928.. ....1 .... HCS 5/16-18x1ZD
539 10503629.. ....1 .... GRIP, BRAKE HANDLE
539 13242430.. ....1 .... LINKAGE, BRAKE
539 99031631.. ....1 .... RHSNB 5/16-18x¾GR5
539 13218532.. ....1 .... BRKT, EXTENSION
72" ONLY
539 99020933.. ....2 .... HCS 5/16-18x1
NOT SHOWN
539 976856 ...2 .... TIE, PLASTIC

14 - Husqvarna
HYDRAULIC PUMP-MOTOR
27
16
15
7
10
24
25
26
3
14
11
5
4
9
17
2
23
12
6
20
1
25
13
18 19
21
22
8

Husqvarna - 15
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
HYDRAULIC PUMP-MOTOR
539 1058921.. ....1 .... FILTER HEAD
539 1058932.. ....1 .... FILTER, OIL
539 1012373.. ....4 .... STRAIGHT CONNECTOR
539 1316634.. ....1 .... RESERVOIR
539 1012025.. ....1 .... OIL CAP
539 1025876.. ....3 .... GROMMET, BUMPER
539 1316577.. ....1 .... PUMP, DUP10S
539 1328898.. ....2 .... FITTING, 10-8 STRAIGHT
539 1317279.. ....1 .... PULLEY, PUMP
539 13189510.. ....1 .... PLUG, 6408-6
539 13241711.. ....1 .... SUPPORT, RESERVOIR
539 13288812.. ....1 .... ELBOW
539 13288713.. ....1 .... HYDRO LINE, CHARGE
539 13288614.. ....1 .... HYDRO LINE, INLET
539 13174815.. ....1 .... FITTING, HYDRO
539 13152916.. ....1 .... HYDRO LINE, CASE
539 13152817.. ....1 .... NUT M10-1.5 L/H HEX
539 13177318.. ....1 .... PLATE, PUMP
539 11289919.. ....4 .... NUT 5/16-18 FLANGE NYLOC
539 10047220.. ....4 .... RHSNB 5/16-18x1¼
539 99007221.. ....2 .... HCS¼-20x5/8
539 99005222.. ....2 .... WASHER,¼ SPLIT LOCK
539 11144523.. ....1 .... BELT, IZT
539 13153124.. ....1 .... HYDRO LINE
MODELS 968999717,
968999718, 968999720,
968999721, 968999748,
968999749, 968999780
539 131538 ...1 .... HYDRO LINE
MODEL 968999719
539 131532 ...1 .... HYDRO LINE
MODELS 968999717,
968999718, 968999720,
968999721, 968999748,
968999749, 968999780
539 131539 ...1 .... HYDRO LINE
MODEL 968999719
539 131533 ...1 .... HYDRO LINE
MODELS 968999717,
968999718, 968999720,
968999721, 968999748,
968999749, 968999780
539 131540 ...1 .... HYDRO LINE
MODEL 968999719
539 131534 ...1 .... HYDRO LINE
MODELS 968999717,
968999718, 968999720,
968999721, 968999748,
968999749, 968999780
539 131541 ...1 .... HYDRO LINE
MODEL 968999719
NOT SHOWN
539 133028 ...1 .... SEAL KIT (DUP10S PUMP)
539 133029 ...1 .... INPUT SEAL KIT
(DUP10S PUMP)

16 - Husqvarna
WHEELS AND TIRES
5
4
2
6
1
3
2

Husqvarna - 17
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
539 1012391.. ....4 .... STRAIGHT CONNECTOR
539 1145232.. ....2 .... WHEEL MOTOR, TJ
539 1013313.. ....8 .... NUT½HEXNYLOC
539 1083464.. ....8 .... HCS½-13x2½
532 1400805.. ..10 .... BOLT, HUB
532 1405566.. ....2 .... TIRE,23x10.50
WHEELS AND TIRES

18 - Husqvarna
MOWER LIFT / DECK LIFT
2
2
12
14
20
13
28
27
10
8
20
11
25
10
4
9
10
13
22
12
11
12
20
1
3
9
13
19
9
20
6
13
12
20
21
30
22
22
25
1
6
10
32
13
12
1113
20 27 28
33
18
15
17
326
23
24 31
29
37 35 39
36
38
41
40
7
34
16
1
21
5
42
43
44
45
32

Husqvarna - 19
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
MOWER LIFT / DECK LIFT
539 1048081.. ....4 .... PILLOW BLOCK
539 1108082.. ....2 .... DECK LIFT LINK
539 1189373.. ....2 .... IDLER SPACER
539 1315564.. ....1 .... PEDAL, FOOT, HEX
539 1315585.. ....1 .... SHAFT, FRONT-LIFT
539 1048076.. ....2 .... REINFORCEMENT BAR
539 1318977.. ....1 .... BELLCRANK, RR, LIFT
539 1122238.. ....2 .... STRUT LINKAGE
539 1096939.. ....4 .... LIFT CHAIN-3 LINK
539 10117510.. ....4 .... HCS 7/16-14x1½
539 10807311.. ....4 .... HCS 7/16-14x1¾
539 10258212.. ....8 .... NUT 7/16-14 HEX WHIZ LK
539 13201913.. ....8 .... NUT 7/16-14 HEX WHIZ LK
539 13185314.. ....1 .... BELLCRANK, RR, RT
539 13156615.. ....1 .... LATCH, TRANSPORT
539 13185016.. ....1 .... HEIGHT, ADJUST, DECK
539 13186017.. ....1 .... PIVOT, LATCH, TRANSPORT
539 13186118.. ....1 .... SPACER, .3
539 13218219.. ....1 .... PIN,½x1½,DETENTRING
539 99104320.. ..10 .... BUSHING .625
539 99025021.. ....2 .... WASHER, SAE
539 11550122.. ....6 .... PIN,COTTER1¾
539 99064623.. ....1 .... HCS½-13x1¾
539 10284324.. ....1 .... WASHER, 7/16" SPRING
539 10172125.. ....4 .... HCS 5/16-18x2¾
539 11289926.. ....5 .... NUT 5/16-18 FLANGE NYLOC
539 10818127.. ....2 .... HCS½-13x1¾GR8
539 10955428.. ....2 .... WASHER½FLAT
539 10133129.. ....2 .... NUT½HEXNYLOC
539 97697930.. ....4 .... NUT 3/8-16 HEX NYLOC
539 97694131.. ....4 .... HCS 3/8-16x1¼
539 20028232.. ....3 .... NUT 3/8-16 HEX JAM NYLOC
539 10134133.. ....1 .... HCS 3/8-16x3
539 10505934.. ....1 .... LANYARD
539 13179135.. ....1 .... MOUNT, SPRING
539 13179236.. ....1 .... TAB, SPRING
539 11289637.. ....1 .... J-BOLT
539 10264238.. ....1 .... SPRING, DECK BELTS
539 99071739.. ....1 .... NUT 5/16-18 NYLOC
539 10747540.. ....1 .... BOLT 5/16-18x¾THDFRM
539 13178141.. ....1 .... HHFS 3/8-16x2¾
539 13201742.. ....2 .... MOUNT, STRUT 52", 61"
539 132018 ...2 .... MOUNT, STRUT, 72"
539 13273443.. ....1 .... SPRING, TORSION
539 13285144.. ....1 .... GRIP
539 13289145.. ....1 .... SUPPORT, LIFT LINKAGE
MZ7227 ONLY

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