Service and Repair Manual
April 2018
Hydraulic Pump
40
GTH-636
Part No. 1287209GT
How to Adj ust the Functi on Pum p Pressure Com pensator
How to Adjust the Function Pump
Standby Pressure
Note: Two people will be required to perform this
procedure.
1 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to port 'M1' on the function
pump.
2 Start the engine and allow the engine to run at
low idle.
3 Fully retract the boom.
4 Continue to activate the boom retract function
and observe the pressure reading on the
pressure gauge.
Result: The pressure gauge reads 3200±150
psi / 220±10.3 bar. The pump is functioning
correctly. Proceed to step 7.
Result: The pressure gauge fails to read
3200±150 psi / 220±10.3 bar. The pressure
setting needs to be adjusted. Proceed to step
5.
5 Loosen the set screw for the pressure
compensator adjustment screw.
1 Standby Pressure Adjustment set screw
2 Standby pressure adjustment
3 Pressure compensator adjustment
4 Pressure compensator adjustment set
screw
6 Adjust the pressure compensator pressure.
Turn the adjustment screw clockwise to
increase the pressure or counterclockwise to
decrease the pressure. Tighten the set screw.
Component damage hazard.
Do not adjust the pressure
compensator higher than
specified.
7 Turn the engine off and remove the pressure
gauge.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
Содержание GTH-636
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Страница 92: ...Service and Repair Manual April 2018 82 Harness Map Options Auxiliary Hydraulics Beacon and 3rd Gear Lockout...
Страница 93: ...April 2018 Service and Repair Manual 83 Harness Map Options Work Lights...
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Страница 95: ...April 2018 Service and Repair Manual Part No 1287209GT GTH 636 85 Harness Map Options Road Lights...
Страница 96: ...Service and Repair Manual April 2018 86 Harness Map Options Road Lights...
Страница 97: ...April 2018 Service and Repair Manual 87 Harness Map Options Enclosed Cab with Heater...
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Страница 101: ...April 2018 Service and Repair Manual 91 Electrical Schematic View 1...
Страница 102: ...Service and Repair Manual April 2018 92 GTH 636 Part No 1287209GT Electrical Schematic View 1...
Страница 103: ...April 2018 Service and Repair Manual Part No 1287209GT GTH 636 93 Electrical Schematic View 2...
Страница 104: ...Service and Repair Manual April 2018 94 Electrical Schematic View 2...
Страница 105: ...April 2018 Service and Repair Manual 95 Electrical Schematic Deutz T4F Eng Harness...
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Страница 107: ...April 2018 Service and Repair Manual Part No 1287209GT GTH 636 97 Hydraulic Schematic...
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