TM 5-3805-280-24-1
Tests
HYDRAULIC PUMP REGULATOR TEST AND
ADJUSTMENT--MINIMUM FLOW
SPECIFICATIONS
50 5C (120 10F)
Oil Temperature
Engine Speed in Standard Mode
Fast Idle
Work Mode 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)
33 5 sec for one revolution from
Slow Speed Propel With Track
Raised Cycle Time
a running start with pump control
valve pilot line disconnect
ESSENTIAL TOOLS
7/16-20 M 37 (Parker No. 03CP-4) Plug (2 used)
SERVICE EQUIPMENT AND TOOLS
JT05800 Digital Thermometer
Stop Watch
17 mm Combination Wrench
Flat Blade Screwdriver
The purpose of check is to test and adjust the minimum
9025
flow rate of pumps using the cycle time for propel as an
25
indicator of pump flow rate.
97
1. Adjust the track sag for both tracks to specification.
(See procedure in Group 9020-20.)
2. Install the temperature probe on the hydraulic
tank-to-pump suction line. (See JT05800 Digital
Thermometer Installation in this group.)
3. Heat hydraulic oil to the specified temperature. (See
Hydraulic System Warm-Up Procedure in this group.)
Oil--Specification
Temperature ........................................................... 50 5C (120 10F)
4. Stop the engine.
Continued on next page
TX,9025,GG2655
1908JUN981/4
6-228
