TM 5-3805-281-24-1
Tests
HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--ENGINE PULLDOWN
SPECIFICATIONS
SERVICE EQUIPMENT AND TOOLS
50 5C (120 10F)
Hydraulic Oil Temperature
JT07290 Laptop Computer
Engine Speed
2050--2125 rpm
JT07274F Excavator Diagnostics Program Disk
Work Mode Selector Position
Dig Mode
JT07273 Cable
E Mode Switch Position
Off
JT02156A Digital Pressure and Temperature Analyzer
HP Mode Switch Position
Off
JT02160 Transducer 70 000 kPa (700 bar) (10 000 psi)
Auto-Idle Switch Position
Off
Gauge 70 000 kPa (700 bar) (10 000 psi)
Propel Speed Switch Position
Slow Speed (Turtle)
JT05800 Digital Thermometer
Load Adjusting Cartridge (Outer
1950--2025 rpm at 20 685 kPa
JT05801 Clamp-On Electronic Tachometer
Spring) (Engine Pulldown at
(207 bar) (3 000 psi) with
90 mm (3-1/2 in.) OD Pin or Length of Round Bar Stock (2 used)
Medium Pressure)--Combined
tracks stalled
32 mm Combination Wrench
Pump Engine Pulldown Speed
19 mm Combination Wrench
Load Adjusting Screw (Engine
1950--2025 rpm at 24 132 kPa
Pulldown at High Pressure)
(241 bar) (3 500 psi) with
13 mm Combination Wrench
(Inner Spring)--Combined
tracks stalled
Flat Blade Screwdriver
Pump Engine Pulldown Speed
30 mm Combination Wrench
31 870 980 kPa (318.7 9.8
System Relief Valve Pressure
bar) (4 620 140 psi)
ESSENTIAL TOOLS
TH108328 Adapter (2 used)
XPD34BTX (1/8 x 7/16-20 F 37) Male Quick Coupler (2 used)
7/16-20 M 37 (Parker No. X03CP-4) Plug
JT05484 (7/16-20 F 37) (Parker No. X06CP-4) Cap
9025
25
110
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CED,TX08227,3143
1928MAY981/13
