HEATER ASSEMBLY REPLACEMENT - CONTINUED
CLEANING AND INSPECTION
Solvent cleaning MIL-PRF-680 Type III is an environmentally compliant and low toxic material. How-
ever, it may be irritating to the eyes and skin. Use protective gloves and goggles. Use in well-ventilated
areas. Keep away from open flames and other sources of ignition.
Particles blown by compressed air are hazardous. DO NOT exceed 15 psi (103 kPa) nozzle pressure
when drying parts with compressed air. Use a maximum of 30 psi (207 kPa) when cleaning compo-
nents. DO NOT direct compressed air against human skin. Failure to follow this warning may result in
injury or death. Make sure air stream is directed away from user and other personnel in the area. To pre-
vent injury, user must wear protective goggles or face shield.
Remove all seal material from mounting surfaces.
Clean all parts with solvent.
Dry all parts with compressed air.
Inspect all parts for damage and replace as necessary.
Install four lifting links on top of heater assembly (7).
Install lifting device to lifting links.
Apply silicone sealant and if removed, install four new
seals (10) and two new seals (8) to underside of heater
Position heater assembly (7) approximately 12 in. (30
cm) above operator compartment.
Apply anti-seizing tape half way up the threads of all hose and fitting connections prior to installation to
ensure correct sealing.
Connect two hose assemblies (9) to heater assembly (7).
Install heater assembly (7) on top of operator compartment.
Remove lifting device.
Remove four lifting links from heater assembly (7).