• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--ENGINE PULLDOWN - Continued
HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--ENGINE PULLDOWN - Continued

Maintenance Manual For Hydraulic Excavator Model 230Lcr
Page Navigation
  563    564    565    566    567  568  569    570    571    572    573  
img
TM 5-3805-280-24-1
Tests
k. Check the adjustments:
Actuate and hold right propel function over relief.
Engine pulldown must not go below 2080 rpm. If
it does, turn front pump load adjusting cartridge
(L) out until pulldown is 2080--2100 rpm. Record
rpm reading. Release propel function.
Actuate and hold left propel function over relief.
Engine pulldown must not go below 2080 rpm. If
it does, turn rear pump load adjusting cartridge
(L) out until pulldown is 2080--2100 rpm. Record
rpm reading. Release propel function.
The pulldown rpm reading for front and rear
pumps must be within 10 rpm of each other to
prevent machine from mistracking.
l. Make final pump regulator adjustments by observing
how straight the machine tracks under load.
9025
J--13 mm Nut
25
K--Load Adjusting Screw (Inner Spring)
115
L--Load Adjusting Cartridge (Outer Spring)
M--30 mm Nut
Continued on next page
TX,9025,GG2661
1906MAY9713/14
6-246


Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved.