TM 5-3805-280-24-1
Tests
CIRCUIT 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
Boom Up (Head End) Pressure
37 265 + 980 - 0 kPa
(375 + 9.8 - 0 bar)
(5405 + 140 - 0 psi)
Arm In (Head End) Pressure
37 265 + 980 - 0 kPa
(375 + 9.8 - 0 bar)
(5405 + 140 - 0 psi)
Bucket Dump (Rod End)
37 265 + 980 - 0 kPa
Pressure
(375 + 9.8 - 0 bar)
(5405 + 140 - 0 psi)
Boom Down (Rod End) Pressure
37 265 + 980 - 0 kPa
(375 + 9.8 - 0 bar)
(5405 + 140 - 0 psi)
Arm Out (Rod End) Pressure
39 225 + 980 - 0 kPa
(390 + 9.8 - 0 bar)
(5690 + 140 - 0 psi)
Bucket Curl (Head End) Pressure
39 225 + 980 - 0 kPa
(390 + 9.8 - 0 bar)
9025
(5690 + 140 - 0 psi)
25
71
Circuit Relief Valve Pressure
5295 kPa (53 bar) (770 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
Continued on next page
TX,9025,GG2649
1908JUN981/7
6-202