TM 5-3805-280-24-1
Tests
SWING MOTOR CROSSOVER RELIEF VALVE
TEST AND ADJUSTMENT
SPECIFICATIONS
50 5C (120 10F)
Oil Temperature
Engine in Standard Mode Speed
Slow Idle
Work Mode Selector Position
Dig Mode
E Mode Switch Position
Off
HP Mode Switch Position
Off
Auto-Idle Switch Position
Off
Crossover Relief Valve Pressure
32 360 + 1960 - 0 kPa
(323.6 + 19.6 - 0 bar)
(4695 + 285 - 0 psi)
Crossover Relief Valve Pressure
2940 kPa (29.4 bar) (430 psi)
approximate change per 1/4 turn
of adjusting plug
ESSENTIAL TOOLS
TH108328 Adapter
XPD34BTX (1/8 x 7/16-20 F 37) Male Quick Coupler
SERVICE EQUIPMENT AND TOOLS
JT07290 Laptop Computer
JT07274G Excavator Diagnostics Program Disk
JT07273 Cable
9025
JT02156A Digital Pressure and Temperature Analyzer
25
JT02160 Transducer 70 000 kPa (700 bar) (10 000 psi)
77
Gauge 70 000 kPa (700 bar) (10 000 psi)
JT05800 Digital Thermometer
8 mm Hex Key Wrench
32 and 36 mm Combination Wrench
17 mm Combination Wrench
TX,9025,GG2650 1928APR971/5
1. Connect the laptop computer. (See the installation
procedure in this group.)
a. Start the engine.
b. Select "4 Rear pump delivery pressure" from the
Monitor Data menu.
Continued on next page
TX,9025,GG2650 1928APR972/5
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