TM 5-3610-253-14
5-31.3 Hard time oil change intervals will be applied in the event AOAP laboratory
support is not available.
5-31.4 The time specified is the time required to perform all services at the
particular interval (on-condition or hard times).
WARNING
Dry cleaning solvent, P-D-680, used to clean parts is potentially dangerous
to personnel and property. Avoid repeated and prolonged skin contact.
Wear solvent impermeable gloves and eye/face protective equipment when using
solvent. Do not use near open flame or excessive heat. Flash point of
solvent is 100F to 138F (38C to 59C).
5-31.5 Clean fittings before lubricating. Clean parts with dry cleaning solvent.
Dry before lubricating. Drain gear box and hydraulic reservoir when hot. Fill and
check levels. The lowest level of maintenance authorized to lubricate a point is
organizational maintenance.
NOTE
To avoid having to bleed the hydraulic system twice, always do annual
lubrications together.
5-375
