TM 5-4310-369-14
(4) Cylinder-crankcase. Coat bottom end of cylinder
(b) Install valve plate (23).
bores and piston rings with oil and assembly cylinders over
(c) Install valve plate gasket (22).
pistons. The bottom of the cylinder bores are chambered and
(d) Install head (20), element retainer (18A),
and rings will compress into piston grooves by pressing
filters (18 and 19) with head bolts (21). Torque to 24 ft. lbs.
cylinder downward and twisting slightly from side to side.
(e) Install filter elements and filter rain caps.
(5) Low Pressure Cylinder and Piston.
(10) High Pressure Head.
(a) Install gasket (17).
NOTE
24 ft. lbs.
Align connecting rod with crankshaft bearing
(11) Intercooler tube (7) (figure 5-5).
during installation.
(a) Attach to low pressure heads.
(b) Attach to high pressure head.
(a) Attach lower low pressure cylinder (with
(12) Attach oil drain nipple (3).
piston in cylinder) and gasket (30) to crankcase with bolts
(13) Mount compressor on handtruck (paragraph
(29). Torque to 24 ft. lbs.
4-13).
(b) Attach connecting rod to crankshaft.
pressure cylinder.
NOTE
Proficiency Teat.
Be sure to use reference marks (figure 5-8)
After compressor assembly is completely reassembled
during assembly.
and all connections are checked for leaks, the compressor
should pump up to rated capacity.
Install rod end-caps (figure 5-10) and secure with
Air Receiver Tank Test
locking device. Tap end-cap lightly to make sure
The air receiver tank is of a welded construction and
bearing is making contact and tighten rod bolts.
is mounted under the two wheel, pneumatic tired handtruck.
The combined piston and connecting rod should
a. Removal.
turn on the crankshaft freely if bearing adjust-
(1) Release all air from the air receiver tank by
ment is correct. If tight, cut paper shims and
depressing handle on airhose inflator assembly.
install between cap and rod. If loose, file cap
(2) Remove air receiver draincock.
until fit is sufficiently tight. Correct clearance
(3) Remove the safety and relief valve (4) and
between connecting rod and crankshaft
unloader valve (2).
journal can be found in table 6-2.
fittings (12).
(6) High pressure Cylinder and Piston.
(5) Remove the inflator gage (17), hose (15) and
(a) Attach high pressure cylinder (with piston in
hose connectors (16 and 18).
cylinder) and gasket (30) to crankcase with bolts (29).
(6) Remove the tank by removing bolts (27) and
Torque to 24 ft.
nuts (24).
(b) Attach connecting rod to crankshaft.
b. Cleaning and Inspection.
(7) Center Low Pressure Cylinder Piston.
(a) Attach center low pressure cylinder (with
piston in cylinder) and gasket (30) to crankcase with bolts
(29). Torque to 24 ft. lbs.
Drycleaning solvent, P-D-680, used to clean parts
NOTE
is potentially dangerous to personnel and property.
Avoid repeated and prolonged skin contact. Do
Crankshaft should turn freely in compressor at
not use near open flame or excessive heat. Flash
this time.
point of solvent is 100F (38C).
(8) Hand Hole Plate.
(1) Clean the interior of the air tank with live
steam, if available, or with cleaning solvent, item 5, App.
(a) Install hand hole plate and gasket with
D. Dry thoroughly.
bolts (39).
(b) Torque to 12 ft. lbs.
(2) Inspect the interior and exterior of the tank for
cracks, broken welds, dents or corrosion. Check threaded
(9) Low Pressure Heads.
surfaces for damaged threads.
(a) Install head gasket (26).
