Snapper SC2142 User manual

Parts Manual fo
r
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
AUSTRALIAN
Revision IR, TP 400-5418-IR-HZ-N10/6/2008
Briggs & Stratton Yard Power Products Group
Manual No. 7006272
535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
MODEL
SC2142 (7800390)
SC2450 (7800391)

Table Of Content
s
TP 400-5418-IR-HZ-N
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 3
Manual No. 7006272
PAGE GROUP
4Frame, Body & Seat Group
8Transmission Group
12 Controls Group
16 Engine Group (21 H.P.)
20 Engine Group (24 H.P.)
24 Wheel & Tire Group
26 Decal Group
28 Mower Lift Group (42" Deck)
30 Mower Lift Group (50" Deck)
32 42" Mower Deck - Clutch & Support Group
34 42" Mower Deck - Housing & Arbor Group
36 50" Mower Deck - Clutch & Support Group
38 50" Mower Deck - Housing & Arbor Group
42 Electrical Group
44 Wiring Schematic

TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
4

Frame, Body & Seat Group
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 5
Part No Descri
p
tionItem Qt
y
Note
1 1733448A 2 WELDMENT, Caster Yoke & Spindle- Black
2 1960160 4 WASHER, .75 ID x 1.60 OD x .05 Thick Flat (Black)
3 1611710 2 KLIPRING, External for .750 Dia. Shaft
4 1734135 2 CAP, Hub 1.481 I.D. x .62 Long Red Poly
5 1730186 2 BUSHING, Axle Pivot PM Yellow
6 1733426A 1 AXLE, Front Iron Casting Machined ZT
7 1733571 2 SHOULDER BOLT, 3/8-16 x 3” Long .50 Sh GR5 Black
8 1960687 3 NUT, 3/8-16 Hex Flange Nyloc
9 2860744 1 SCREW, 5/8-11 x 3-1/4” Hex Head Cap, GR5 Yellow
10 1960035 1 WASHER, 0.64 I.D. x 1.75 O.D. x .11 Thick, Black
11 2860646 1 NUT, Hex Flange 5/8-11 Two Way Lock Yellow
12 1733304A 1 BRACKET, Footrest Support, Black
13 1930601 2 SCREW, 5/16-18 x .62 Taptite
14 1960368 2 SPEED NUT, 1/4-20 Lug Type .025/.150 Black
15 1921333 2 SCREW, 5/16-18 x 1” Hex Head Cap
16 1726025D 1 PANEL, Footrest, ZT 7000, Red
17 1960694 14 NUT, 1/4-20 Hex Flange Nyloc, Black
18 1931317 2 BOLT, 1/4-20 x 2” Round Head Short Square Neck, GR5, Black
19 1726306 1 PAD, Footrest Center Black Vinyl
20 1726018 1 ASSEMBLY, Seat w/Arm Rests
21 7300752A 1 PANEL, Front - Manual Brake & Deck Lift
22 1960518 2 RETAINER, 1/4” Bolt
23 1935255 4 SPEED NUT, 5/16 -18 Lug Type .025/.150 B
24 720107 2 SHOULDER BOLT, 5/16-18
25 1960223 2 BOLT, 5/16-18 x 1-1/4” Round Head Short Square Neck GR5,
Black
26 1728086 2 PIVOT, Hood (Powdered Metal)
27 1931277 4 NUT, 5/16-18 Hex Flange Lock, Small - Black
28 1716654 2 BOLT, 5/16-18 Idler Pivot
29 1960295 6 SCREW, 1/4-20 x 5/8” Hex Whiz Lock Flange
30 1960738 2 SCREW, 5/16-18 x 3/4” Hex Flange Lock Dog Point
31 7102141 1 SCREEN, Deck Top
32 1673320 3 RIVET, .188 x .617 Large Flange
33 1733227A 1 WELDMENT, Frame - 42” & 50” ZT (Black)
34 1733965A 1 SUPPORT, Seat Deck, ZTS - Black
35 1734145 1 SEAT DECK, Red Poly, ZTS - Red
36 1734252A 1 PLATE, Control, ZTS - Black
37 1960715 8 SCREW, 1/4-20 x 3/4” Truss Head Torx Black

Frame, Body & Seat Group
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
6

Frame, Body & Seat Group
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 7
Part No Descri
p
tionItem Qt
y
Note
37 1930594 6 SCREW, 1/4-20 x 3/4” Hex Flange Lock Black
38 7091591 4 BOLT, 5/16-18 x 1” Hex Flange Lock YZ
39 1728986 1 PAD, Footrest RH Black Vinyl w/Adhesive
40 1728987 1 PAD, Footrest LH Black Vinyl w/Adhesive
41 1960534 1 WASHER, .375 Flat (0.41 I.D. x 1.50 O.D. x .25 Thick) Black
42 1735680 1 TRIM, 8”
43 2820426 2 WASHER, 5/16” External Tooth Lock Washer, Yellow
44 1734392A 2 GUARD, Debris, ZTR - Black
45 1921221 1 SCREW, 5/16-18 x 1-1/2” Hex Head Cap, GR5, Black
46 1919381 1 WASHER, 5/16” Flat (.341 I.D. x 1.00 O.D. x .13 Thick) Black
47 7090189 1 WASHER 5/16” Internal/External Tooth Lock, BZ
48 7024340 1 SPACER, .316 x .375 x .300/.310
49 1933988 4 PUSH NUT, 5/16” Dia. Thread .625 O.D. Black (Pal)
50 1734323A 1 STRAP, Fuel Tank Brace
51 1921977 5 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR5, Black
52 1726390 2 BUMPER, Rubber 1.50 DIA 0.5 Thick
53 1715962A 1 SHROUD, Rear, ZTR 14+16, Cor, Black
54 1925003 6 SCREW, 1/4-20 x 1/2” Hex Washer Head Screw Black (Taptite)
55 1733393A 1 SUPPORT, Seat Deck - Black
56 1920415 1 SCREW, 3/8-16 x 1-1/4” Hex Head Cap, GR5, Black
57 1931942 1 PUSH NUT, .375 Dia. Thread .781 O.D. Black (Pal)
58 1677021SM 1 KIT, Arm Rest L.H. & R.H.
59 1960686 9 NUT, 5/16-18 Hex Flange Nyloc
60 7102378 1 ASSEMBLY, Fuel Tank (incl. below items 61 thru 64)
61 1734320 1 ASSEMBLY, Fuel Cap (Vented)
62 7102690 1 TUBE, Fuel Pickup (not shown)
63 1674792 1 ELBOW, Gas Tank (not shown)
64 1726400 1 BUSHING, Fuel (not shown)

Transmission Group
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
8

Transmission Group
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 9
Part No Descri
p
tionItem Qt
y
Note
1 1960223 2 BOLT, 5/16-18 x 1-1/4” Round Head Short Square Neck GR5,
Black
2 1919381 4 WASHER, 5/16” Flat (.341 I.D. x 1.00 O.D. x .13 Thick) Black
3 1703900 2 SPACER, .323 I.D. x .500 O.D. x 0.270 Long Heat Treated
4 1960684 2 NUT, 5/16-18 Hex Keps Conical Washer, Black
5 1727555 1 ROD, Control, LH (.500 Dia. X 27.88 Long)
6 1727556 1 ROD, Control, RH (.500 Dia. X 27.88 Long)
7 1727831 2 SHOULDER BOLT, 7/16-14 x 1.07 Long, GR5
8 1930650 6 NUT, 7/16-14 Hex Flange Lock Two Way Ga - Black
9 1927120 4 SCREW, 7/16-14 x 2-1/4” Hex Head Cap, GR8 - Black
10 1923141 4 SCREW, 5/16-18 x 2-3/4” Hex Head Cap, GR5 - Black
11 1919326 6 WASHER, .312 (.34 I.D. x.75 O.D.)
13 1717024 1 CLIP, Rod End Clevis RH (for .188 Dia. Rod)
14 1733913 1 ROD, Tow Valve LH (.156 Dia. 5.05 Long)
15 1960268 1 BOLT, 3/8-16 x 1-1/4” Round Head Short Square Neck, Black
16 1960758 1 BOLT, 1/2-13 x 1-1/2” Round Head Short Square Neck, GR5,
Black
17 1733305A 1 DRAWBAR, Black
18 1921719 2 SCREW, 5/16-18 x 2-1/2” Hex Head Cap, GR5, Black
19 1725550 1 CLIP, Rod End Clevis LH (for .188 Dia. Rod)
20 1733914 1 ROD, Tow Valve RH (.156 Dia. 5.05 Long)
21 1931277 6 NUT, 5/16-18 Hex Flange Lock, Small - Black
22 5020601 8 NUT, 1/2-20, (for Wheel Bolt) Silver
23 1733309A 1 SUPPORT, Transmission Center - Black
24 1733351 1 TRANSMISSION- Hydro Gear EZT LH (ZC-AHBB-2A7B-1DPX)
25 1733352 1 TRANSMISSION- Hydro Gear EZT RH (ZC-DHBB-2A7C-1DPX)
26 1733302A 1 SUPPORT, Transmission Rear - Black
27 1960687 3 NUT, 3/8-16 Hex Flange Nyloc
28 5025396 1 NUT, 1/2-13 Hex Flange Nyloc
29 1728976 1 SHOULDER BOLT, 5/16-18, GR5
30 1924874 1 WASHER, 5/16 Flat (.341 I.D. x .87 O.D. X .06 Thick) Black
31 1927557 1 NUT, 5/16-18 Hex Flange Lock Large, Black
33 1732224 1 * V-BELT, Transmission Drive (HA Sect. 54.40 Effective Length)
34 1930645 2 NUT, 3/8-16 Hex Flange Lock Two Way Ga Black
35 1924356 2 WASHER
36 1921210 2 SCREW, 3/8-16 x 1” Hex Head Cap, GR5, Black
37 1734316 1 SPRING, Extension
38 1729007 1 SPACER (.387 I.D. x 1.50 O.D. x 1.04 Long (Powdered Metal)
Yellow
39 1733303A 1 ARM, Idler (Transmission Drive) Black
Note: * Part number printed on belt.

Transmission Group
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
10

Transmission Group
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 11
Part No Descri
p
tionItem Qt
y
Note
40 1721133 1 PULLEY, Idler
41 1924940 2 WASHER, .375 Flat (.41 I.D. x .87 O.D.)
42 1708352A 1 BELT GUIDE
43 1923701 1 SCREW, 3/8-16 x 2” Hex Head Cap, GR5
43 7091553 1 SCREW, 3/8-16 x 1-3/4” Hex Head Cap, GR5
44 1931942 1 NUT, Push Pal, 3/8”
45 1960759 1 NUT, Push Pal, 1/2”
46 1933988 2 NUT, Push Pal .312 Dia. Thread .625 O.D. Black
47 1728073 2 PULLEY, 4-1/2” Transmission
48 1728074 2 FAN, 6” Transmission
49 1728075 1 BRAKE ARM & PIN, Hydro-Gear
50 1728060 1 KIT, Hydro Seal
51 1687283 2 KIT, Hub Replacement
52 1733870 2 HUB, EZT Transmission
53 5020601 2 NUT, EZT Transmission
54 1728076 1 GEAR, Parking Brake, Transmission
55 1716622 1 CLIP, E Transmission Parking Brake
56 1735490 1 KIT, L.H. Control Arm
57 1735491 1 KIT, R.H. Control Arm
58 1735483SM 1 SPRING, Extension (Used on Hydro-Gear P/N ZC-AHBB-2A7B-
1DPX and ZC-AHBB-2A7B-1DPX)
Note: * Part number printed on belt.

Controls Group
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
12

Controls Group
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 13
Part No Descri
p
tionItem Qt
y
Note
1 1726410 2 GRIP, Foam Handle Bar
2 1727796A 2 TUBE, Handle
3 1960686 10 NUT, 5/16-18 Hex Flange Nyloc
4 1720452 2 CLAMP, Tube, Saddle
5 1919381 6 WASHER, 5/16” Flat (.341 I.D. x 1.00 O.D. x .13 Thick) Black
6 1960086 4 SCREW, 5/16-18 x 7/8” Truss Head Torx, Black
7 1917356 4 LOCKWASHER, Spring 5/16” - Black
8 1727926A 1 BRACKET, Tube Mount LH
9 1727927A 1 BRACKET, Tube Mount RH
10 1931338 4 BOLT, 5/16-18 x 1-3/4” Round Head Short Square Neck, GR5
11 1931335 4 BOLT, 5/16-18 x 1” Round Head Short Square Neck, GR5 Zinc
12 1727663A 2 BRACKET, “L” Switch
13 1727919 2 CLIP, Brake
14 1728010A 1 BRACKET, RH Mounting Handle Pivot
15 1728009A 1 BRACKET, LH Mounting Handle Pivot, Black
16 7300992A 1 BRACKET, Brake Pivot- ZT
17 7091298 3 NUT, 5/16-18-3B Hex Nyloc
18 7015761 1 SHOULDER BOLT, 5/16-18
19 1960027 3 WASHER, 1/2” Flat
20 7091591 2 BOLT, 5/16-18 x 1” Hex Flange Lock YZ
21 7300993A 1 ARM, Brake Pivot - ZT
22 7090188 1 WASHER, .34 x .69 x .08 Flat
23 1920161 7 NUT, 5/16-18 Hex Jam, Black
24 1722460 4 HAIR PIN
25 7072403 1 KNOB, w/5/16-18 NILN (Brake/Clutch)
26 7102567 1 ROD, Park Brake- ZT (5/16-18 thread)
27 7102551 1 ROD, Manual Parking Brake (1/4-20 threads)
28 1727814A 1 BRACKET, Dual Brake
29 1709314 1 SPRING, Extension
30 1729277 1 SPRING, Compression
31 1960694 1 NUT, 1/4-20 Hex Flange Nyloc, Black
32 1925003 4 SCREW, 1/4-20 x 1/2” Hex Washer Head Screw Black (Taptite)
33 1727933A 2 COVER, Lower Handle
34 1726839 1 KNOB, 5/16-18 x 1-1/4” Extension Thread
35 1960717 2 NUT, 5/16-18 Speed (Lug Type .050/.200 Black)
36 1931277 8 NUT, 5/16-18 Hex Flange Lock, Small - Black
37 1960723 2 BOLT, 5/16-18 x 2-1/4” Round Head Square Neck, GR5, Black

Controls Group
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
14

Controls Group
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 15
Part No Descri
p
tionItem Qt
y
Note
38 1666697 4 SPACER, Powdered Metal
39 1921977 5 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR5, Black
40 1715025 4 BUSHING
41 1919438 4 NUT, 5/16-18 Hex Lock Esna Light
42 1727603A 2 WELDMENT, Pivot Control
43 1921221 4 SCREW, 5/16-18 x 1-1/2” Hex Head Cap, GR5, Black
44 1727918 2 SHOCK ABSORBER
45 1703805 2 RING, Klipring Extension (for .500 Dia. Shaft)
46 1725927 1 SHAFT, Cross

Engine Group (21 H.P.)
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
16

Engine Group (21 H.P.)
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 17
Part No Descri
p
tionItem Qt
y
Note
1 -- 1 * ENGINE, 21 HP, B&S, ELS AUSTRALIA, Mod. 33M777-0114-
B1
2 7300919A 1 HEAT SHIELD, Inner
3 1936228 2 SCREW, 5/16-18 x 3/4” Hex Head Cap, GR8
4 1917356 2 LOCKWASHER, Spring 5/16”, Black
5 1732259 1 WELDMENT, Exhaust Pipe
6 1731214 1 GASKET, Exhaust B&S
7 1960295 4 SCREW, 1/4-20 x 5/8” Hex Whiz Lock Flange
8 1927557 4 NUT, 5/16-18 Hex Flange Lock Large Black
9 1667812 1 SPACER (.390 x .900 x .70) YZ
10 1732255 1 BRACKET, Muffler/Heat Shield
10 7300917 1 BRACKET, Muffler, Heat Resistant
11 1667811 1 SPACER, .390 I.D. x .90 O.D. x .34 Long, Powdered Metal
12 1921977 1 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR5, Black
13 1732273 1 MUFFLER ASSEMBLY, Single
14 1921221 1 SCREW, 5/16-18 x 1-1/2” Hex Head Cap, GR5, Black
15 7300918A 1 HEAT SHIELD, Outer Single
16 1960720 4 SCREW, #10 x 1/2” Hex Washer Head Self-Tap
17 1930591 1 SCREW, 5/16-18 x 3/4” Hex Flange Lock
18 2832747 2 TIE, Self Locking 3-5/8” Long
19 1726498 1 HOSE, Oil Drain, 16-1/2” Long
20 2828635 3 SCREW, 3/8-16 x 1-1/4” Hex Washer Head Taptite
21 7101716 1 PULLEY, Engine - ZT
22 2154096 1 KEY, .250 Square x .91 Long Parallel
23 1717664 1 CLUTCH, Ogura JD-11
24 1708264 1 WASHER, Hex, .453 I.D. x 1-1/2”
25 1918199 1 LOCKWASHER, Spring, .438
26 7027266 1 SCREW, 7/16-20 x 3” Hex Head Cap, GR5 (w/Nyloc Patch)
27 1732885A 1 HEAT SHIELD
28 1919326 2 WASHER, 5/16” (.34 I.D. x 3/4” O.D.)
29 1733063 1 HEAT SHIELD
30 1675044 2 RIVET, Pop
31 7900020 1 CLIP, Harness, 5/8”
32 1924940 1 WASHER, 3/8”, (.41 I.D. x .87 O.D. x .08 Thick)
33 7101717 1 RETAINER, Clutch
34 1931277 1 NUT, 5/16-18 Hex Whiz Lock Flange
35 7102139 1 SEAL, Foam 1.0 x 3.50 x 12” Long
41 1734180A 1 AIR DUCT, Inlet
Note: * Purchase engine components directly from engine manufacturer dealer.
Note: ** See Frame, Body & Seat Group for fuel tank assy.

Engine Group (21 H.P.)
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
18

Engine Group (21 H.P.)
Footnotes:
TP 400-5418-IR-HZ-N
Manual No. 7006272HYDRO DRIVE ZTR 42" & 50"
150Z SERIES 19
Part No Descri
p
tionItem Qt
y
Note
42 1921332 2 SCREW, 5/16-18 x 3/4” Hex Head Cap, Black
43 7100416 1 CABLE, Choke, 54”
44 7090390 1 WASHER, 3/8” Internal Tooth Lock
45 7091630 1 NUT, 3/8-24 Hex
46 7075449 1 CONTROL, Throttle B&S Intek
47 7090999 2 SCREW, 1/4-20 x 5/8” Pan Head Taptite Torx
48 7091195 1 SCREW, #10-16 x 3/4” Pan Head Taptite Combo
49 7100529 1 KNOB, Throttle, Red
50 1734995 1 ** HOSE, Fuel, Low Perm, 1/4” I.D. x 19-1/2” Long
51 7012222 2 CLAMP, Fuel Hose
Note: * Purchase engine components directly from engine manufacturer dealer.
Note: ** See Frame, Body & Seat Group for fuel tank assy.

Engine Group (24 H.P.)
TP 400-5418-IR-HZ-N
Manual No. 7006272 HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
20