Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) (cont).
H - Hours of operation
Item to be inspected
Lubricating Oil and Filter
Primary Fuel Filter
Secondary Fuel Filter
Dust Caps on Air Cleaner
S - Semiannually
A - Annually
Change lubricating oil and filter every 100 hours of
operation (LO. 5-6115-584-12).
Clean fuel strainer every 300 hours of operation
(para 3-20, TM 5-6115-584-12).
Service primary filter every 500 hours of operation
(table 4-1, TM 5-6115-584-12).
Service secondary filter every 1000 hours (table
4-1, TM 5-6115-584-12).
Perform a hydrometer test on batteries every 300
hours, or quarterly. Refer to para 4-25,
TM 5-6115-584-12 for test procedures.
Inspect breather tube every 500 hours. Clean as
necessary (para 4-45, TM 5-6115-584-12).
Clean out dust caps on air cleaner assembly every
100 operating hours (more frequently under
Clean every 1000 operating hours or as conditions
dictate. Replace air cleaner every 2000 operating
Replace any broken or cracked lenses or defective
bulbs (page 4-52, TM 9-2330-202-14&P).
Check for cuts, breaks, frayed wires, or damaged
Check security of mounting. Inspect ring for
Inspect for broken links or missing chain(s).
Replace any cracked, broken, or missing
reflectors (page 4-232, TM 9-2330-202-14&P).