TM 5-3805-280-24-1
Tests
PROPEL MOTOR CROSSOVER RELIEF
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 Switch Position
Off
Crossover Relief Valve Pressure
34 324 + 1960 - 0 kPa
(343.2 + 19.6 - 0 bar)
(4980 + 285 - 0 psi)
Crossover Relief Valve Pressure
2940 kPa (29.4 bar) (430 psi)
approximate change per 1/4 turn
of adjusting screw
ESSENTIAL TOOLS
TH108328 Adapter (2 used)
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)
80
Gauge 70 000 kPa (700 bar) (10 000 psi)
JT05800 Digital Thermometer
85 mm (3-3/8 in.) OD Pin or Length of Round Bar Stock (2 used)
6 mm Hex Key Wrench
19 mm Combination Wrench
TX,9025,GG2651
1928APR971/5
1. Connect the laptop computer. (See the installation
procedure in this group.)
a. Start the engine.
b. Select "3 Front pump delivery pressure" and "4
Rear pump delivery pressure" from the Monitor Data
menu.
Continued on next page
TX,9025,GG2651
1928APR972/5
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