211. Air Receiver Repair
a. It is possible to repair by welding minor leaks in the air receiver which are caused by corrosion. Do not attempt to
repair serious defects; replace the air receiver in such cases.
b. Straighten any bends or twists in the supports, braces or straps. Replace badly damaged parts.
212. Air Receiver Installation
a. Place the supports (7, fig. 94) on the fuel tank. Fasten the braces (15) to the supports (7) and the rear engine
b. Place the air receiver (5) on the supports (7) and install with two rods (8), eight plain washers (9), four lockwashers
(10) and eight hex nuts (11).
c. Guide the straps (1) around the fuel tank and air receiver (5) and secure with two special nuts (2), special washers
(3) and special cap screws (4). Be sure the air receiver seats properly on the supports.
d. Screw in the pipe plug (6) tightly.
e. Install the aftercooler to receiver connection (par. 116c) drain cocks and piping (par. 115c), receiver service valves
and piping (par. 114e), hose reel and service valves (par. 113e), and hose reel air hose (par. 112c).
Section XII. ENGINE-COMPRESSOR
213. Description
a. The engine-compressor is a combination four-piston engine and four-piston compressor which is housed in a V-8
type crankcase and uses a single crankshaft mounted in five main bearings. The engine and compressor sections form
separate banks on either side of the crankcase.
b. The engine-compressor is mounted on a front and rear engine support which are attached to the H-type frame
supporting the entire air compressor. A two-section crankcase coveris mounted on the center of the crankcase. A lifting
bail and the tachometer drive are installed in the cover.
c. Two oil pans are employed on the underside of the crankcase. The lower oil pan holds the oil filters. The upper
oil pan attaches directly to the crankcase; oil seals are employed where the crankshaft extends from the crankcase and
upper oil pan.
d. oil pump is mounted on the front bearing cap. Oil is drawn from the sump through an oil intake screen, and is
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