Wheel And Brake Troubleshooting - Thrush Aircraft S2R-R1340 Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2R-R1340
Table 6-1 is provided as a convenient means of investigating problems encountered with
the landing gear or brakes.
TABLE 6-1: WHEEL AND BRAKE TROUBLESHOOTING CHART
TROUBLE
Worn or loose wheel
bearings.
Tail wheel
shimmy.
Tire imbalance.
Incorrect tire pressure.
Excessive/un
even tire
wear. Tail gear sub-assembly
bearings worn or loose.
Lock cable out of
Tail wheel
adjustment or broken.
fails to lock or
Lock pin or lock pin spring
unlock.
broken or damaged.
Tire imbalance.
Main landing
gear shimmy.
Worn or loose wheel
bearings.
Restriction in hydraulic
Dragging
lines or restriction in
brakes.
parking brake valve.
Effective: 01/01/08
AIRCRAFT MAINTENANCE MANUAL

WHEEL AND BRAKE TROUBLESHOOTING

PROBABLE CAUSE REMEDY
Jack tail, remove wheel and inspect
bearings. Replace with new lubricated
bearing if necessary.
Jack tail and remove tire for balance check.
Rebalance.
Pressure check
recommended pressure.
Jack tail; remove tail gear sub-assembly.
Repair or replace as required.
Adjust or replace as required.
Repair or replace as required.
Jack aircraft and remove tire for balance
check. Rebalance.
Jack aircraft and check wheels for end
play. Replace with new lubricated bearings
if necessary.
Have someone apply and then release
brakes. Wheel should rotate freely as soon
as brake is released. If wheel fails to rotate
freely, loosen brake line at brake housing
to relieve any pressure trapped in line. If
wheel now turns freely, the brake line is
restricted. Drain all brake lines and clear
the inside of brake line.
lines fails to give satisfactory results, the
parking brake valve may be faulty and
should be repaired.
tire. Inflate
If cleaning the
6-19
to