TM 5-3805-248-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
0014 00
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
LOCATION
ITEM TO
CHECK/
ITEM
MAN-
NOT FULLY MISSION
SERVICE
NO.
INTERVAL
HOURS
PROCEDURE
CAPABLE IF:
d. Remove cooling system pressure
21
cap.
(Con't)
e. Maintain coolant level 1/2 in. (13
mm) from bottom of filler neck. As
required, add a 50/50 mixture of
antifreeze (Item 1 or 2, WP 0023
00) and water.
f. Ensure engine air filter service indi- Red band is showing.
cator shows green or yellow and is
not damaged. Service air cleaner if
red band is showing (WP 0015 00).
g. Install engine compartment side
access doors and engage retainers to
secure doors closed.
a. Visually check for missing or dam-
Fire extinguisher is missing
22
Before
Fire Extin-
guisher
aged fire extinguisher. Ensure it is
or damaged.
securely stowed in mounting
bracket.
b. Check gage for reading in green
Pressure gage needle is in
area on gage.
red area.
c. Check for damaged or missing seal. Seal is broken or missing.
d. Inspect fire extinguisher inspection
Inspection date is not cur-
tag.
rent and/or tag is missing.
CAB INTE-
RIOR
Check for damaged gages, warning
Any warning indicator is
23
Before
Instrument
Panel
indicators, and switches.
broken or unreadable.
Seat belt is damaged. Date
Check seat and seat belt for damage
24
Before
Seat and
Seat Belt
on belt is more than three
and proper operation. Ensure seat
years old. Seat will not
adjustments can be made and seat
adjust/lock in place.
locks in place.
Check steering wheel and column for
Damage that would impair
25
Before
Steering
Wheel and
damage and proper operation.
operation is evident.
Column
0014 00-15