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 TM 55-1905-223-24-1
Table 2-1. Preventive Maintenance Checks and Services
D-Daily
Q-Quarterly
A-Annually
B-Biennially
Item
Intervals
Items To Be
No.
DQAB
Inspected/Serviced
Procedures
1
*
Lube Oil Level
Check oil level at the sight level gauge (FIG. 2-2) or with the dipstick (2, FIG. 2-1). For
accurate readings, oil level should not be checked until oil has settled into the pan after
engine shutdown (approximately 15 minutes). Keep oil level as near the "H" mark as
possible.
CAUTION
Do not, under any circumstances, add a large amount of cold water to a hot engine
suddenly. The rapid cooling may crack the cylinder liners and heads or seize the
2
*
Coolant Level
Keep cooling system filled to operating level on the expansion tank sight gauge. Investigate
for causes of coolant loss. Check coolant level when system is cool. Whenever coolant is
added, check the corrosion inhibitor and antifreeze concentration by using DCA coolant
checking kit, Item 14, Appendix C.
3
*
Intake Air System
Check air connections for loose clamps or connections, cracks, punctures, or tears in hose or
tubing, collapsing hose, or other damage. Secure clamps or replace parts as necessary to
make sure that the air intake is airtight. Make sure that all air goes through the air cleaner.
4
*
Throttle Linkage
Look for evidence of binding, loose fittings, obstructions, etc., that affect the smooth
operation of the throttle throughout its range.
5
*
Engine
Give the engine a thorough visual inspection. Look for anything that appears to be
damaged, leaking, broken, torn, missing, or out of the ordinary. Be sure that exhaust system
and hoses are checked as follows:
2-8
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