Clean fittings before lubricating. Clean parts with dry
Service intervals (on-condition or hard time) and the
cleaning solvent, PD-680 (SD), Type II. Dry before
related man-hour times are based on normal operation.
lubricating. Dotted arrow points indicate lubrication on
The man-hour time specified is the time you need to do
both sides of equipment.
all the services prescribed for a particular interval. Hard
time intervals will be indicated by one of the following
Level of maintenance. The lowest level of maintenance
symbols as appropriate:
Daily (D), Weekly O(N),
authorized to lubricate a point is indicated by one of the
Monthly (M), Semiannually (S), and Annually (A). On-
following symbols as appropriate: Operator/Crew (C);
condition (OC) oil sample intervals shall be applied
and Unit Maintenance (O). Unless specifically identified,
unless changed by the Army Oil Analysis Program
all procedures apply to M1 13A3, M577A3, M901A3,
(AOAP) Laboratory. Change the hard time interval if
M981A3, M1059A3, M1064A3, M1068A3, and M58
lubricants are contaminated or if you are operating
equipment under adverse operating conditions, including
longer-than-usual operating hours.
The hard time
intervals may be extended during periods of low activity if
Park carrier on level ground to check oil levels.
adequate preservation precautions are taken. Hard time
Check/lubricate all oil and grease fitting points after
intervals will be applied to oil changes in the event AOAP
washing or fording.
Laboratory support is not available.
ARMY OIL ANALYSIS PROGRAM
On-condition (OC) AOAP Laboratory determined oil
change intervals shall be applied instead of hard time
intervals such as hourly, calendar, or mileage, unless
AOAP is an effective maintenance diagnostic tool and
otherwise notified. The services will be required when
not a maintenance substitute. TB 43-0210 or TM 9-
directed by an Army Oil Analysis Program (AOAP)
2300-422-23&P must not be interpreted to mean AOAP
Laboratory which has analyzed the oil for serviceability.
minimizes, in any way, the need to employ good
maintenance practices and strong maintenance
Dry cleaning solvent PD-680 is toxic and flammable.
Wear protective goggles and gloves; use only in well
ventilated area; avoid contact with skin, eyes and
Samples may be taken without WARMING a component
clothes, and do not breathe vapors. Keep away from
to operating temperature if the equipment has been
heat and flame. Never smoke when using solvent;
operated within the last 30 days. If the equipment has
the flash point for Type I dry cleaning solvent is
not been operated within the last 30 days, the
100F (38C) and for Type II is 138F (50C). Failure
components must be brought to operating temperature.
to do so may result in injury or death.
These requisites apply to both routine and special
sampling. Oil samples must not be taken immediately
after oil is added. When oil sampling valve is not
If you become dizzy while using cleaning solvent,
available to take oil sample, use a vampire pump.
get fresh air immediately and get medical aid. If
contact with eyes is made, wash your eyes with
water and get medical aid immediately.
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