TM 5-3805-280-24-1
Tests
PROPORTIONAL SOLENOID VALVE TEST
AND ADJUSTMENT
SPECIFICATIONS
50 5C (120 10F)
Oil Temperature
Engine in Standard Mode Speed
Fast Idle
Work Mode Selector Position
Dig Mode
E Mode Switch Position
Off
HP Mode Switch Position
Off
Auto-Idle Position
Off
Propel Speed Switch Position
Fast Speed
Arm Regenerative (SC) Pressure
Laptop computer reading
196 kPa (1.96 bar) (28 psi)
Speed Sensing (SD) Pressure
Laptop computer reading
196 kPa (1.96 bar) (28 psi)
Propel Speed Change (SI)
Laptop computer reading
196 kPa (1.96 bar) (28 psi)
Pressure
Power Boost (SG) Pressure
Laptop computer reading
196 kPa (1.96 bar) (28 psi)
Proportional Solenoid Valve
98 kPa (0.98 bar) (14 psi)
Pressure
approximate change per 1/4 turn
of adjusting screw
End of Adjusting Screw to Nut
4 mm (0.157 in.)
Must Not Exceed Length
Adjusting Screw-to-Housing Nut
8.8 Nm (78 lb-in.)
9025
25
ESSENTIAL TOOLS
84
JT03464 (1/4 M BSPP ORB x 7/16-20 M 37 x M14-1.5 M 45) Tee
(for the steel line)
JT03001 (7/16-20 M 37 x 7/16-20 F 37 x 7/16-20 M 37) (Parker
No. 063T-4-4) Tee
SERVICE EQUIPMENT AND TOOLS
JT02156A Digital Pressure and Temperature Analyzer
JT02162 Transducer 35 000 kPa (350 bar) (5000 psi)
Gauge 7000 kPa (70 bar) (1000 psi)
JT07290 Laptop Computer
JT07274G Excavator Diagnostics Program Disk
JT07273 Cable
JT05800 Digital Thermometer
4 mm Hex Key Wrench
13 mm Combination Wrench
Continued on next page
TX,9025,GG2121
1921MAY981/6
6-215
