TM 10-4610-240-10
TM 08580C-10/1
T.O. 40W4-13-21
Table 2-3. (ARMY) Operator/Crew Preventive Maintenance Checks and Services (Unit) - Continued
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
Item to be
Procedures
Equipment is
ITEM
Inspected
Check for and have repaired
not ready/
NO.
B
D
AWM
or adjusted as necessary.
available if:
24
R.O. Pump drain
Inspect drain tube end to ensure
Drain clogged and
tube end
that drain is open. Open
cannot be cleared.
restricted drain.
25
R.O. Pump cavity,
WARNING
seals, and plungers
Use extreme care when working
on operating equipment.
Remove loose clothing, jewelry,
and watches before removing
R.O. pump cover plate.
Remove two wing nuts and
Excessive leakage
cover plate located on top of
cannot be
R.O. pump. Plungers and
controlled.
packing sleeve are now exposed.
Inspect R.O. pump cavity for
leakage at plunger sleeve.
CAUTION
R.O. pump MUST NOT be
operated on preservative oil.
Doing so will damage pump and
void warranty. Excessive leakage
will contaminate the crankcase
oil and score the plungers.
Water leakage into the cavity
past the packings is normal and
aids cooling. As packings wear
from normal operation, the
water leakage will become more
severe. When this occurs, tighten
packings as follows:
1. Get packing adjustment
tool from storage box No. 2.
2-26
