TM 9-1550-416-14&P
Table 3-4. Troubleshooting - Cont.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. ENGINE WILL NOT FIRE.
Step 1. Check glow plug. Remove glow plug and place it in end of glow plug power clip. Observe that
glow plug glows brightly.
Replace glow plug if defective.
Step 2. Check carburetor for presence of fuel. Remove needle valve and purge with fuel by connecting
fuel pump tube directly to fuel inlet on carburetor and pumping fuel directly through carburetor.
Reinstall needle valve in carburetor.
Replace engine, if it still will not fire.
SECTION IV. MAINTENANCE PROCEDURES
Initial Setup
INTRODUCTION.
3-15.
General Safety: Keep flammable solvents away from
This section provides instructions to maintain the FQM-117
open flame.
Equipment Required: Tools, spare parts, epoxy, fuel.
B-1 and FQM-117 C-1. Table 3-5 lists maintenance proce-
clean lint-free damp cloth or brush, and light oil.
dures to perform to maintain the aircraft.
Table 3-5. FQM-117 B-1 and FQM-117 C-1 Maintenance Procedures
Action
Item
Task
(1) Visually inspect for damage beyond safe or
a. Airframe
1. Inspection
serviceable limits, i.e., broken wing, damaged
(2) Visually inspect for proper assembly.
(3) Check for loose parts.
(4) Check for wear and corrosion.
Check for punctures.
b. Fuel tank
Check flexible materials for hardness, cracks, or
c. Fuel tubing, aileron,
breaks.
elevator hinges and rubber
bands
d. Caution plates, data,
markings and primed matter
(1) Adjust the connector ends of the pushrod so that
Throttle pushrod assembly
2. Checks/adjust-
the carburetor barrel operates from fully opened
ments, alignment
to fully closed when controlled from the
NOTE
This adjustment ensures that the engine can be
stopped during flight by moving the throttle control
to minimum.
3-30