1. ARMY OIL ANALYSIS PROGRAM (AOAP).
For Active Army units, obtain samples from engine
OE/HDO 15/40 may be used instead of
every 50 hours of operation or 60 days, whichever
OE/HDO 30 at +5°F (-15%) and above.
comes first. Reserve and National Guard activities
will use 50 hours or 120 days as the prescribed
5. CRANKCASE. Oil is to be changed each time
sample intervals. Reserve and National Guard
an engine oil change is directed by AOAP
equipment in frequent use during active training
laboratory. When AOAP laboratory support is not
period will adhere to the schedule for Active Army
available, change oil every 100 hours. Drain when
units. As a minimum, one sample from each unit's
lubricant is warm.
two week active training period will be submitted for
each item of equipment. Send oil samples as soon
6. ENGINE OIL FILTER. Replace filter element
as they have been taken to the nearest AOAP
each time an engine oil change is directed by AOAP
Refer to TB 43-0210 for sampling
laboratory. Fill new oil filters with clean oil and
instructions. When or if AOAP laboratory support is
install. Fill crankcase, operate engine five minutes,
unavailable, hard time intervals will apply.
and check for leaks. Shut down engine, wait five
minutes, check crankcase level and bring to H
2. FOR OPERATION OF EQUIPMENT IN
(High) mark. When AOAP laboratory support is not
PROTRACTED COLD TEMPERATURES BELOW
available, install new oil filters every 100 hours.
-15°F (-26°C). Remove lubricants prescribed in
Key for temperatures above -15°F (-26°C).
7. TRANSMISSION DIPSTICK AND FILLER
Relubricate with lubricants specified in Key for
CAP. Run engine two to three minutes. Check oil
temperatures below -15°F (-26°C). If OEA lubricant
level when unit is on level ground, engine running at
is required to meet the temperature ranges
slow idle, loader bucket lowered, backhoe in
prescribed in the Key, OEA lubricant is to be used in
transport position, range shift lever in (P) park,
place of OE/HDO lubricant for all temperature
gearshift lever in neutral, and clutch engaged. If oil
ranges where OE/HDO is specified in the Key.
level is down to bottom mark on dipstick when
dipstick is on filler tube, add oil.
3. OIL CAN POINTS. Every 10 hours, lubricate
linkage pins, throttle and governor linkage, clevises,
8. TRANSMISSION AND HYDRAULIC SYSTEM
all exposed adjusting threads, swivel locking pin of
FILTERS. Change filters after the first 50 hours;
seat with OE/HDO or OEA as needed.
thereafter, every 500 hours. Add lubricant specified
4. CRANKCASE OIL LEVEL HOT OR COLD
CHECK. Oil level should be at H (High) mark on
9. TRANSMISSION AND HYDRAULIC SYSTEM
dipstick if engine is cold. If engine has been
INTAKE SCREEN. Each 1000 hours, remove and
running, shut down engine and allow to sit five
clean intake screen. Check hydraulic fluid level (see
minutes before checking; oil level should be
between H (High) and L (Low) marks on dipstick.
CARD 6 OF 7