4-59. HEAT SEALER BLOCK ASSEMBLY MAINTENANCE - continued.
Remove eight bar wrap screws (1), two wrap bars (2) andteflon wrap (3).
Remove setscrew (4) and thermostat knob (5).
Clean items with damp wiping rag (Appendix F, Item 2).
Allow to dry.
Inspect hardware for damage.
Inspect wrap bars for burrs or damage.
Inspect teflon wrap for damage or excessive wear.
Repair is limited to the replacement of defective components with serviceable ones.