4-24.
TM 3-4230-218-12&P
This task consists of:
Repair
INITIAL SETUP:
Tools Required:
Socket Set, Metric
Tool Kit, General Mechanics
Materials Required:
Socket Adapter
None
Equipment Conditions:
Engine shutdown and cool.
a.
Cleaning.
NOTE
When removing bolts (6) from pump lid (5), record location and length of bolts
to aid installation.
(1)
(2)
(3)
Prior
(4)
(5)
(6)
Position unit on end with heat exchanger down and remove
bolts (6).
Thread one long bolt into retainer (7) and tighten until pump
lid (5) breaks free of pump housing (l).
Remove pump lid (5) and (1-ring seal (4) from pump housing
(1).
Remove long bolt (6) from retainer (7).
NOTE
to removing rotors, note the position of rotor vane cups.
Remove rollers (2) from housing (1).
If necessary, remove rotor
(3) from housing (1) and clean mud, silt, and contaminants
from pump lid (5), housing (1), rotor (3), and rollers (2) with
fresh, clean water.
Reinstall rotor (3) and rollers, if removed.
Position O-ring seal (4) on pump lid (5). Install pump lid on
pump housing (1) with bolts (6). Cross tighten bolts (6) so
that pump lid is drawn down evenly.
Operate unit and check for leaks.
4-50
