Table 2-1. Operators Preventive Maintenance Checks and Services
for M1101, M1102, and Trailer Chassis
Not Fully Mission
Review all WARNINGs, CAUTIONs, and NOTEs before performing PMCS.
Perform all PMCS checks if:
You are the assigned operator but have not operated the trailer since the last
You are operating the trailer for the first time.
Check lunette for secure mounting or obvi-
Inspect area where front roller pin goes
through brake actuator housing for dam-
age and abnormal wear.
Damage is evident.
b. Inspect master pin that goes through
middle rear area of brake actuator for
signs of wear or damage.
b. Damage is evident.
Ensure that mounting nuts and bolts
securely fasten brake actuator assembly
Nuts and bolts missing or dam-
d. Visually check brake breakaway cable
and breakaway lever for damage and
missing parts. Check that breakaway
lever is in down position.
d. Cable or lever is missing or dam-
Drawbar is heavy-up to 420 lb (190.5 kg) loaded tongue weight. Use the
front support leg crank to raise and lower trailer drawbar when coupling
and uncoupling trailer. If support leg assembly is inoperative, remove load
from trailer or use four or more persons to lift drawbar.
Check front support leg for damage, missing
parts, and proper operation. Check that
caster moves freely and handle can be
cranked up and down to raise and lower
Check handbrake lever for damage or miss-
ing parts. Check that the handle can be
engaged and released. Adjust as necessary
Damage is evident or handbrake fails
to operate correctly.