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April 2017
Service and Repair Manual
Manifolds
Part No. 1272854
GTH-844
57
7-5
Valve Adjustments - Secondary
Function Manifold
How t o Set t he Steer Syst em Pres sur e
How to Set the Steer System
Pressure
Note: Be sure that the hydraulic oil level is visible in
the inspection glass of the hydraulic tank.
1
Install a 0 to 1000 psi / 0 to 100 bar pressure
gauge into test port 'TP' at the top of the
secondary function manifold, refer to
Secondary Function Manifold Components.
2
Start the engine. Allow the engine to idle after
warming the engine to operating temperature.
3
Without operating any machine controls,
observe the reading on the pressure gauge.
Result: The pressure gauge reads 450 ±25 psi
/ 31 ±1.7 bar. The pump is functioning
correctly.
Result: The pressure gauge fails to read 450
±25 psi / 31 ±1.7 bar. The pressure setting
needs to be adjusted. Refer to Repair
Procedure,
How to Adjust the Function Pump
Pressure
.
4
Turn the machine off. Remove the pressure
gauge from the test port.
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.
5
Install a 0 to 3500 psi / 0 to 250 bar pressure
gauge into test port 'TS' at the top of the
secondary function manifold. Refer to
Secondary Function Manifold Components.
6
Start the engine. Allow the engine to idle.
7
Fully turn and hold the steering wheel in the left
direction and allow the wheels to fully turn to
the left. Continue holding the steering while
observing the pressure reading on the
pressure gauge.
Result: The pressure gauge reads
2650 psi±50 psi / 183±3.4 bar. The pressure
setting is correct. Proceed to step 12.
Result: The pressure gauge fails to read
2650 psi±50 psi / 183±3.4 bar. The pressure
setting needs to be adjusted. Proceed to step
8.
8
Turn the machine off. Hold the steer pressure
reducing/relief valve with a wrench and
remove the cap (schematic item PR3).
9
Adjust the internal hex socket. Turn it
clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Component damage hazard. Do
not adjust the relief valve
pressures higher than
specifications.
10 Install the relief valve cap.
11 Repeat this procedure beginning with step 6.
12 Turn the machine off. Remove the pressure
gauge from the test port.
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-844
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Страница 115: ...April 2017 Service and Repair Manual 103 Harness Map Control System Power Single Joystick to 15 20661...
Страница 118: ...Service and Repair Manual April 2017 106 Harness Map Control System Ground Single Joystick to 15 20661...
Страница 119: ...April 2017 Service and Repair Manual 107 Harness Map Control System Power Single Joystick from 15 20662 to 21535...
Страница 122: ...Service and Repair Manual April 2017 110 Harness Map Control System Ground Single Joystick from 15 20662 to 21535...
Страница 123: ...April 2017 Service and Repair Manual 111 Harness Map Control System Power Single Joystick from 15 21536 16E 10000...
Страница 126: ...Service and Repair Manual April 2017 114 Harness Map Control System Ground Single Joystick from 15 21536 16E 10000...
Страница 127: ...April 2017 Service and Repair Manual 115 Harness Map Control System Power Dual Joystick to 15 20661...
Страница 130: ...Service and Repair Manual April 2017 118 Harness Map Control System Ground Dual Joystick to 15 20661...
Страница 131: ...April 2017 Service and Repair Manual 119 Harness Map Control System Power Dual Joystick from 15 20662 to 21535...
Страница 134: ...Service and Repair Manual April 2017 122 Harness Map Control System Ground Dual Joystick from 15 20662 to 21535...
Страница 135: ...April 2017 Service and Repair Manual 123 Harness Map Control System Power Dual Joystick from 15 21536 16E 10000...
Страница 138: ...Service and Repair Manual April 2017 126 Harness Map Control System Ground Dual Joystick from 15 21536 16E 10000...
Страница 139: ...April 2017 Service and Repair Manual 127 Harness Map Deutz TCD3 6 T3_T4i Engine Battery Power and Ground...
Страница 142: ...Service and Repair Manual April 2017 130 Harness Map Deutz TCD3 6 T4F Engine Battery Power and Ground...
Страница 143: ...April 2017 Service and Repair Manual 131 Harness Map Perkins 1104D Engine Battery Power and Ground...
Страница 146: ...Service and Repair Manual April 2017 134 Harness Map Perkins 854 T4i Engine Battery Power and Ground...
Страница 147: ...April 2017 Service and Repair Manual 135 Harness Map Perkins 854E T4F Engine Battery Power and Ground...
Страница 150: ...Service and Repair Manual April 2017 138 Harness Map Options Auxiliary Hydraulics Beacon and 3rd Gear Lockout...
Страница 151: ...April 2017 Service and Repair Manual 139 Harness Map Options Work Lights to 15 21456...
Страница 152: ...Service and Repair Manual April 2017 140 GTH 844 Part No 1272854 Harness Map Options Work Lights to 15 21456...
Страница 153: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 141 Harness Map Options Work Lights from 15 21457 16E 10000...
Страница 154: ...Service and Repair Manual April 2017 142 Harness Map Options Work Lights from 15 21456 16E 10000...
Страница 155: ...April 2017 Service and Repair Manual 143 Harness Map Options Road Lights to 15 21456...
Страница 156: ...Service and Repair Manual April 2017 144 GTH 844 Part No 1272854 Harness Map Options Road Lights to 15 21456...
Страница 157: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 145 Harness Map Options Road Lights from 15 21457 16E 10000...
Страница 158: ...Service and Repair Manual April 2017 146 Harness Map Options Road Lights from 15 21457 16E 10000...
Страница 159: ...April 2017 Service and Repair Manual 147 Harness Map Options Enclosed Cab with Heater...
Страница 160: ...Service and Repair Manual April 2017 148 GTH 844 Part No 1272854 Harness Map Options Enclosed Cab with Heater...
Страница 161: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 149 Harness Map Options Enclosed Cab with HVAC...
Страница 162: ...Service and Repair Manual April 2017 150 Harness Map Options Enclosed Cab with HVAC...
Страница 163: ...April 2017 Service and Repair Manual 151 Electrical Schematic View 1 to 15 20661...
Страница 164: ...Service and Repair Manual April 2017 152 GTH 844 Part No 1272854 Electrical Schematic View 1 to 15 20661...
Страница 165: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 153 Electrical Schematic View 2 to 15 20661...
Страница 166: ...Service and Repair Manual April 2017 154 Electrical Schematic View 2 to 15 20661...
Страница 167: ...April 2017 Service and Repair Manual 155 Electrical Schematic View 1 from 15 20662 to 21456...
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Страница 169: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 157 Electrical Schematic View 2 from 15 20662 to 21456...
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Страница 173: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 161 Electrical Schematic View 2 from 15 21457 to 21535...
Страница 174: ...Service and Repair Manual April 2017 162 Electrical Schematic View 2 from 15 21457 to 21535...
Страница 175: ...April 2017 Service and Repair Manual 163 Electrical Schematic View 1 from 15 21536 16E 10000...
Страница 176: ...Service and Repair Manual April 2017 164 GTH 844 Part No 1272854 Electrical Schematic View 1 from 15 21536 16E 10000...
Страница 177: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 165 Electrical Schematic View 2 from 15 21536 16E 10000...
Страница 178: ...Service and Repair Manual April 2017 166 Electrical Schematic View 2 from 15 21536 16E 10000...
Страница 179: ...April 2017 Service and Repair Manual 167 Hydraulic Schematic Single Joystick to 19528...
Страница 180: ...Service and Repair Manual April 2017 168 GTH 844 Part No 1272854 Hydraulic Schematic Single Joystick to 19528...
Страница 182: ...Service and Repair Manual April 2017 170 Hydraulic Schematic Single Joystick from 19529 16E 10000...
Страница 183: ...April 2017 Service and Repair Manual 171 Hydraulic Schematic Dual Joystick to 19528...
Страница 184: ...Service and Repair Manual April 2017 172 GTH 844 Part No 1272854 Hydraulic Schematic Dual Joystick to 19528...
Страница 185: ...April 2017 Service and Repair Manual Part No 1272854 GTH 844 173 Hydraulic Schematic Dual Joystick from 19529 16E 10000...