TM 5-3805-280-24-1
Tests
HYDRAULIC PUMP REGULATOR TEST AND
ADJUSTMENT--ENGINE PULLDOWN
SPECIFICATIONS
50 5C (120 10F)
Oil Temperature
Engine Fast Idle in Standard
2180--2205 rpm
Mode Speed
Work Mode Selector Position
Dig Mode
E Mode Switch Position
Off
HP Mode Switch Position
Off
Auto-Idle Switch Position
Off
Propel Speed Switch Position
Slow Speed (Turtle)
Load Adjusting Cartridge (Outer
2070--2080 rpm at 17 235 kPa
Spring)--Combined Pump Engine
(172 bar) (2500 psi)
Pulldown Speed
with tracks stalled
Load Adjusting Screw (Inner
2070--2080 rpm at 24 130 kPa
Spring)--Combined Pump Engine
(240 bar) (3500 psi)
Pulldown Speed
with tracks stalled
System Relief Valve Pressure
34 325 + 1960 - 980 kPa
(343 + 19.6 - 9.8 bar)
(4980 + 285 - 0 psi)
ESSENTIAL TOOLS
TH108328 Adapter (2 used)
XPD34BTX (1/8 x 7/16-20 F 37) Male Quick Coupler
9025
SERVICE EQUIPMENT AND TOOLS
25
JT07290 Laptop Computer
104
JT07274G Excavator Diagnostics Program Disk
JT07273 Cable
JT02156A Digital Pressure and Temperature Analyzer
JT02160 Transducer 70 000 kPa (700 bar) (10 000 psi)
Gauge 70 000 kPa (700 bar) (10 000 psi)
JT05800 Digital Thermometer
JT05801 Clamp-On Electronic Tachometer
85 mm (3-3/8 in.) OD Pin or Length of Round Bar Stock (2 used)
Flat Blade Screwdriver
13, 17, 19, 27, 30 and 32 mm Combination Wrenches
Continued on next page
TX,9025,GG2661 1906MAY971/14
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