
Workman HD Series
Page 9 -- 44
Hydraulic System
Lift Valve Service
Disassembly (Fig. 35)
1. After removing lift valve from vehicle, wash valve in
solvent and dry thoroughly.
2. Carefully mount lift valve in a vise so that mounting
pads are against jaws of vise. Lift valve spool retaining
ring (item 14) should be facing up.
3. Remove two (2) hex cap plugs (item 1) from side of
valve body. Inside valve body, behind each hex cap plug,
there is a spring (item 3), ball (item 4) and cam pin (item
6); remove these parts.
NOTE:
Remove check ball seats (item 5) only if they
need replacement; the seats are press fit into the valve
body.
4. Remove retaining ring (item 14) from spool (item 8).
Remove spool retaining ring (item 13), spring retainer
(item 10), spacer (item 12), spring (item 11) and second
spool retaining ring (item 13). Carefully push and twist
spool to remove spool from valve body.
IMPORTANT: When removing O--rings from valve
body, be very careful to not scratch valve bore fin-
ish.
5. Use a hooked scribe or thin screwdriver to remove
O--rings (item 9) from inside bore of valve body. These
O--rings are the seals for the spool.
6. Inspect all components for wear, paying special
attention to the spool. Signs of wear on one side of the
spool may indicate a bent spool. Inspect the spool for
flatness and replace if necessary.
Assembly (Fig. 35)
1. Clean all components thoroughly before assembly.
Use new O--rings when assembling lift valve.
2. Coat all O--rings and spool with clean Dexron III ATF
before installation into valve body. Assemble compo-
nents in reverse order of disassembly. Install spool into
valve body before inserting cam pins, balls, springs and
hex cap plugs.
1. Hex cap plug (2 used)
2. O--ring (2 used)
3. Spring (2 used)
4. Check ball (2 used)
5. Check ball seat (2 used)
6. Cam pin (2 used)
7. Valve body
8. Spool
9. O--ring
10. Spring retainer
11. Spring
12. Spacer
13. Spool retaining ring
14. Retaining ring
Figure 35
1
2
3 4
5
6
7
8
9
10
11
12
13
14
10
9
Содержание Workman HD Series
Страница 2: ...Workman HD Series This page is intentionally blank ...
Страница 4: ...Workman HD Series This page is intentionally blank ...
Страница 6: ...Workman HD Series This page is intentionally blank ...
Страница 14: ...0 09375 Workman HD Series Page 2 2 Product Records and Maintenance Equivalents and Conversions ...
Страница 46: ...Rev A Workman HDX Page 3 28 Briggs Daihatsu Gasoline Engine This page is intentionally blank ...
Страница 68: ...Workman HD Page 5 4 Kohler Gasoline Engine This page is intentionally blank ...
Страница 95: ...Workman HD Series Page 6 19 Drive Train This page is intentionally blank Drive Train ...
Страница 140: ...Workman HD Series Page 6 64 Drive Train This page is intentionally blank ...
Страница 155: ...Workman HD Series Page 7 15 Chassis This page is intentionally blank Chassis ...
Страница 159: ...Workman HD Series Page 7 19 Chassis This page is intentionally blank Chassis ...
Страница 167: ...Workman HD Series Page 7 27 Chassis This page is intentionally blank Chassis ...
Страница 216: ...Workman HD Series Page 9 2 Hydraulic System This page is intentionally blank ...
Страница 227: ...Workman HD Series Page 9 13 Hydraulic System This page is intentionally blank Hydraulic System ...
Страница 244: ...Workman HD Series Page 9 30 Hydraulic System This page is intentionally blank ...
Страница 249: ...Workman HD Series Page 9 35 Hydraulic System This page is intentionally blank Hydraulic System ...
Страница 253: ...Workman HD Series Page 9 39 Hydraulic System This page is intentionally blank Hydraulic System ...
Страница 259: ...Workman HD Series Page 9 45 Hydraulic System This page is intentionally blank Hydraulic System ...
Страница 263: ...Workman HD Series Page 9 49 Hydraulic System This page is intentionally blank Hydraulic System ...
Страница 274: ...Workman HD Series Page 9 60 Hydraulic System This page is intentionally blank ...
Страница 281: ...Workman HDX HDX D Page 10 7 Front Wheel Drive 4WD This page is intentionally blank Front Wheel Drive 4WD ...
Страница 285: ...Workman HDX HDX D Page 10 11 Front Wheel Drive 4WD This page is intentionally blank Front Wheel Drive 4WD ...
Страница 296: ...Rev A Workman HDX HDX D Page 10 22 Front Wheel Drive 4WD This page is intentionally blank ...
Страница 298: ...Workman HD Series Electrical Drawings Page 11 2 This page is intentionally blank ...
Страница 309: ...Page 11 13 This page is intentionally blank ...
Страница 310: ...Page 11 14 Front Wire Harness Drawing Workman HD Series All Models 3RD HIGH LOCKOUT SWITCH ...
Страница 312: ...Page 11 16 Rear Wire Harness Drawing Kohler Gasoline Engine Workman HD LIFT LEVER INTERLOCK SWITCH ...
Страница 318: ......