SECTION II. INTERMEDIATE DIRECT SUPPORT MAINTENANCE PROCEDURES
4-5. GENERAL. This section contains disassembly, assembly, inspection, and repair instructions for the compressor
components listed in Appendix B, Section III, Maintenance Allocation Chart. Paragraph references are listed below for
each grouping for locating repair instruction:
Paragraph 4-6, Compressor Assembly: Compressor Unit, Piston and Connecting Rods, Crankcase Bearings.
Paragraph 4-10, Electric Motor.
4-6. COMPRESSOR ASSEMBLY.
4-7. COMPRESSOR UNIT. This task covers:
a. Initial Setup.
Tools. General Mechanic Automotive Tool Set, T1 5800-00-177-7033; Field Maintenance Automotive Repair
Shop Set, T2 4910-00-754-0705.
Materials/Parts. Gasket Set; Gasket Sealant; Compressed Air.
Equipment Condition. Compressor unit removed (paragraph 3-27) and placed on workbench; Cylinder head
assemblies removed (paragraph 3-32).
General Safety Requirements.
Observe all Warnings and Cautions.
· Never wear loose Clothing or jewelry while inspecting or servicing equipment.
Beware of rotating shafts, pulleys and fans which could entrap personnel and
cause serious injury.
Disconnect main power and turn compressor unit off before performing
Remove capscrews (1) securing cylinder (2) to crankcase (3).
Pistons and connecting rods may be damaged by hitting crankcase when cylinder
is removed. Support pistons when removing cylinder.
Remove cylinder (2) by twisting slightly back and forth while pulling upward.