1-S3
B7800HSD (SUPPLEMENT), WSM
HYDRAULIC SYSTEM
3. HYDRAULIC CYLINDER ASSEMBLY AND HYDRAULIC
BLOCK
[1] CHECKING AND ADJUSTING
Relief Valve Setting Pressure
1. Remove the seat under cover.
2. Remove the plug (1) from front of hydraulic cylinder body.
3. Install the adaptor
58
. Then connect the cable and pressure
gauge to adaptor
58
.
4. Remove the feedback rod lock nut and spring.
5. Start the engine and set at maximum speed.
6. Move the hydraulic control lever all way up to operate the relief
valve and read the gauge.
7. If the pressure is not factory specifications, remove the hydraulic
cylinder assembly (refer to 1-S5 to 1-S7) and adjust relief valve
(2) with the adjusting shims (3).
8. Reinstall the hydraulic cylinder assembly. After checking the
pressure, reinstall the spring and feedback rod lock nut.
Condition
• Engine speed .......... Maximum
• Oil temperature ....... 45 to 55 °C
113 to 131 °F
(Reference)
• Thickness of shims (3): 0.1 mm (0.0039 in.), 0.2 mm (0.0079 in.)
W1016613
Relief valve setting
pressure
Factory spec.
13.2 to 14.2 MPa
135 to 145 kgf/cm
2
1920 to 2064 psi
(1) Plug
(2) Relief Valve
(3) Shim
KiSC issued 09, 2007 A
Summary of Contents for B2910
Page 1: ...W 0 R K HO P MAN U A L TRACTOR 82410 82710 82910...
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Page 142: ...MECHANISM CONTENTS 1 FEATURES 2 M1 2 LINKAGE MECHANISM 2 M2 3 OPERATION 2 M3...
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Page 230: ...MECHANISM CONTENTS 1 FEATURES 5 M1 2 OPERATION 5 M2...
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Page 379: ...KUBOTA Corporation OSAKA JAPAN 2 13 Bulletin No SFI A 04 015...
Page 380: ...KUBOTA Corporation OSAKA JAPAN 3 13 Bulletin No SFI A 04 015...
Page 381: ...KUBOTA Corporation OSAKA JAPAN 4 13 Bulletin No SFI A 04 015...
Page 382: ...KUBOTA Corporation OSAKA JAPAN 5 13 Bulletin No SFI A 04 015...
Page 383: ...KUBOTA Corporation OSAKA JAPAN 6 13 Bulletin No SFI A 04 015...
Page 384: ...KUBOTA Corporation OSAKA JAPAN 7 13 Bulletin No SFI A 04 015...
Page 385: ...KUBOTA Corporation OSAKA JAPAN 8 13 Bulletin No SFI A 04 015...
Page 386: ...KUBOTA Corporation OSAKA JAPAN 9 13 Bulletin No SFI A 04 015...
Page 387: ...KUBOTA Corporation OSAKA JAPAN 10 13 Bulletin No SFI A 04 015...
Page 388: ...KUBOTA Corporation OSAKA JAPAN 11 13 Bulletin No SFI A 04 015...
Page 389: ...KUBOTA Corporation OSAKA JAPAN 12 13 Bulletin No SFI A 04 015...
Page 390: ...KUBOTA Corporation OSAKA JAPAN 13 13 Bulletin No SFI A 04 015...
Page 392: ...B7800 HSD SUPPLEMENT WORKSHOP MANUAL TRACTOR KiSC issued 09 2007 A...
Page 396: ...G GENERAL KiSC issued 09 2007 A...
Page 400: ...1 HYDRAULIC SYSTEM KiSC issued 09 2007 A...
Page 415: ...2 ELECTRICAL SYSTEM KiSC issued 09 2007 A...
Page 417: ...2 M1 B7800HSD SUPPLEMENT WSM ELECTRICAL SYSTEM 1 WIRING DIAGRAM KiSC issued 09 2007 A...
Page 418: ...2 M2 B7800HSD SUPPLEMENT WSM ELECTRICAL SYSTEM KiSC issued 09 2007 A...