TM 5-3805-281-24-1
Tests
m. Actuate and hold both propel functions over relief
to check that combine pump engine pulldown
speed is to specified rpm. Record the rpm reading.
Release propel functions.
Load Adjusting Cartridge (Outer Spring) (Engine Pulldown at
Medium Pressure)--Combined Pump Engine Pulldown--
Specification
Speed ...................................................... 1950--2025 rpm at 20 685 kPa
(207 bar) (3 000 psi) with tracks
stalled
n. Hold the cartridge and tighten 30 mm nut on both
regulators.
IMPORTANT: If the load adjusting cartridge are not
turned in equal amounts, the engine
speed will pulldown to the specified
rpm but the pump flow rates will not be
equal and the machine will mistrack
o. Check the adjustments:
1. Run the engine at fast idle.
2. Actuate and hold right propel function over relief.
Record rpm reading. Release propel function.
3. Actuate and hold left propel function over relief.
9025
Record rpm reading. Release propel function.
25
4. The rpm reading for front and rear pumps must
116
be within 10 rpm of each other to prevent
machine from mistracking.
Continued on next page
CED,TX08227,3143
1928MAY988/13
6-263
