TM 9-4520-251-14
4-56 TUBING AND FITTINGS
This task covers:
a. Inspection
b. Repair
c. Replacement
INITIAL SETUP
Tools
Equipment Condition Para
Condition Description
Tool kit, service, refrigeration unit
4–50
Fan and hub assembly
(Appendix B, Section Ill, Item 1)
removed.
4–55
Shutter assembly removed.
Materials/Parts
Fuel tube (2)
Elbow, pipe-to-tube (2)
Drain tube
Adapter, pipe-to-tube
General Safety Instructions
Gasoline used in operating this heater is explosive.
Avoid open flame near spilled or drained gasoline.
Make sure a Class 20-B:C fire extinguisher is in easy reach.
Dispose of waste gasoline in a safe manner.
Location/Item
Action
Remarks
INSPECTION
1. Tubing and
Inspect for loose con–
fittings
nections, leakage, pinched
or bent tubing, and
damaged parts.
REPAIR
2. Tubing and
Tighten connections.
fittings
Straighten bent tubing
where possible without
causing leaks.
NOTE
When repairing or replacing fuel lines, gas
suitable container.
4-137
