TM 5-3805-280-24-1
Tests
PROPEL SYSTEM TRACKING TEST
SPECIFICATIONS
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
50 5C (120 10F)
Oil Temperature
Mistrack at 20 m (65 ft) Distance
200 mm (7-7/8 in.) or less
SERVICE EQUIPMENT AND TOOLS
Tape Measure
JT05800 Digital Thermometer
JT02156A Digital Pressure and Temperature Analyzer
Test is used to check the overall condition of the propel
system from the hydraulic pumps to the propel motors.
1. Lay out a course on a hard flat surface that is 20 m
(65 ft) in length plus an additional 3--5 m (10--15 ft)
at each end for acceleration and deceleration. Mark a
straight line the length of course.
2. Adjust the track sag so both sides are equal and within
9025
specification before doing test. (See Adjust Track Sag
25
in Group 9020-20.)
124
Engine in Standard Mode--Specification
Speed ........................................................................................... Fast Idle
Work Mode Selector--Specification
Position ........................................................................................ Dig Mode
E Mode Switch--Specification
Position .................................................................................................. Off
HP Mode Switch--Specification
Position .................................................................................................. Off
Auto-Idle Switch--Specification
Position .................................................................................................. Off
Continued on next page
TX,9025,GG2664 1908JUN981/3
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