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HYDRAULIC SYSTEM (Cont’d)<br />

–2–2–<br />

Page<br />

Number<br />

HYDRAULIC PUMP (DoubleGear) 853H<br />

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–61<br />

Checking the Output of the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–53<br />

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–56<br />

Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–60<br />

Parts I<strong>de</strong>ntification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–55<br />

Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–54<br />

HYDRAULIC SYSTEM INFORMATION<br />

Flare Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<br />

O–ring Face Seal Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<br />

2–4<br />

2–4<br />

Straight Thread O–ring Fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4<br />

Tubelines and Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4<br />

HYDROSTATIC FILTER HOUSING<br />

Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–66<br />

LIFT CYLINDER(S)<br />

Checking the Lift Cylin<strong>de</strong>r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5<br />

Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5<br />

MAIN RELIEF VALVE<br />

Checking the Main Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–19<br />

Checking the Main Relief Valve Without Auxiliaries . . . . . . . . . . . . . . . . 2–20<br />

Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–21<br />

PEDAL INTERLOCK LINKAGE<br />

Pedal Interlock Linkage Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–70<br />

Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–69<br />

SELECT VALVE (G.E.M. Block) 853H<br />

Checking the Main Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–27<br />

TILT CYLINDER<br />

Checking the Tilt Cylin<strong>de</strong>r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7<br />

Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7<br />

Rod End Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7<br />

TROUBLESHOOTING<br />

Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3<br />

TIGHTEN ALL HARDWARE PER SIZE TO GRADE 5 TORQUE (SEE<br />

STANDARD TORQUE SPECIFICATIONS FOR BOLTS, SECTION 9)<br />

UNLESS OTHERWISE SPECIFIED.<br />

853, 853H BICS Loa<strong>de</strong>r<br />

Service Manual

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