TM 5-3805-281-24-1
Tests
CONTROL VALVE SPOOL PILOT
ACTUATION PRESSURE TEST
SPECIFICATIONS
50 5C (120 10F)
Hydraulic Oil Temperature
Engine Speed
Slow Idle to Fast Idle
Work Mode Selector Position
Dig Mode
E Mode Switch Position
Off
HP Mode Switch Position
Off
Auto-Idle Switch Position
Off
Control Valve Spool Pilot
3 335--3 925 kPa (33.3--39.2
Actuation Pressure
bar) (485--570 psi)
ESSENTIAL TOOLS
203836 (9/16-18 M 37 x 9/16-18 Sw 37 x 7/16-20 M 37) Tee
XPD34BTX (1/8 x 7/16-20 F 37) Male Quick Coupler
SERVICE EQUIPMENT AND TOOLS
JT02156A Digital Pressure and Temperature Analyzer
JT02161 Transducer 35 000 kPa (350 bar) (5 000 psi)
Gauge 7 000 kPa (70 bar) (1 000 psi)
JT05800 Digital Thermometer
Procedure is used to check that there is enough pilot
pressure oil to the pilot cap to shift the valve spools when
9025
pilot controllers are actuated at any engine speeds.
25
70
1. Stop the engine.
Continued on next page
TX,9025,GG2483
1921NOV971/4
