TM 55-1930-209-14&P-3
Table B-1. Preventive Maintenance Checks and Services for ROWPU System (Continued)
B-Before
D-Daily
Q-Quarterly
D-During
W-Weekly
S-Semiannually
A-After
M-Monthly
A-Annually
ITEM
PROCEDURES
INTERVAL
TO BE
CHECK FOR AND HAVE
EQUIPMENT
ITEM
INSPECTED
REPAIRED OR ADJUSTED
IS NOT READY/
NO.
AS NECESSARY
AVAILABLE IF:
B D
A D W M Q
S
A
a. Check HP pump pedestal bearing oil.
Oil level is low.
Change pedestal bearing oil every 6
months or 4000 hours of operation,
whichever comes first. This interval must
be reduced to 4 months or 2500 hours
for pumping at temperatures above
2000F.
1) Place container under drain plug to
catch used oil (Figure 3-10).
2) Remove drain plug underneath
pedestal and allow oil to drain.
3) Replace plug.
4) Remove oil breather and add 6 qt of
oil (OE/HDO-MIL-L-2104). Replace oil
breather.
5) Clean up any spills.
b. Replace pump mechanical seals if neces-
Seal leaks
sary. The mechanical seal in the pump
exceed 1 gal
requires no maintenance or adjustment.
per hour.
When seal has become worn or dam-
aged and leaks excessively, it must be
replaced. Maximum allowable leakage
for the mechanical seal is 1 gal per hour.
c. Refer to LO 10-4610-229-12 for
complete lubrication instructions
for 150,000 GPD ROWPU.
B-36
