TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 637 of 1207
TM 9-2320-361-20
8-26. AIR COMPRESSOR AND PULLEY REPLACEMENT (Contd)
1. Holding pulley flange (15), remove nut (13) from crankshaft (16).
2. Remove adjustable puller flange (14) from pullery flange (15).
3. Remove pulley flange (15) from crankshaft (16).
NOTE
Some compressors have a key in crankshaft and others use a
tapered shaft.
4. Remove key (12), if present, from crankshaft (16).
5. Remove adapter (6) from discharge housing (3).
6. Remove two screws (5), lockwashers (4), discharge housing (3), and gasket (2) from air
compressor (11). Discard lockwashers (4) and gasket (2).
7. Remove two screws (7), lockwashers (8), intake air cleaner (9) and gasket (10) from air
compressor (11). Discard lockwashers (8) and gasket (10).
8. Remove elbow (1) from air compressor (11).
c. Assembly
CAUTION
Remove shipping plate and gasket from new air compressor before
installation, or damage to equipment may result.
NOTE
Clean all fittings and housings before installation.
Wrap all male pipe threads with antiseize tape before
installation.
1. Install elbow (1) on air compressor (11).
2. Install intake air cleaner (9) and new gasket (10) on air compressor (11) with two new
lockwashers (8) and screws (7).
3. Install discharge housing (3) and new gasket (2) on air compressor (11) with two new lock-
washers (4) and screws (5).
4. Install adapter (6) on discharge housing (3).
5. Install key (12), if used, in crankshaft (16).
6. Install pulley flange (15) on crankshaft (16) alining keyway in pulley flange (15) to key (12).
7. Holding pulley flange (15), install nut (13) on threaded end of crankshaft (16).
8. Install adjustable pulley flange (14) on pulley flange (15).
d. Installation
1.
2.
3.
4.
5.
6.
8-64
Install new gasket (24) over studs on compressor support (25).
Install air compressor (11), tachometer cable (29), and bracket clamp (28) on air compressor
support (26) with four new lockwashers (23) and nuts (22).
Remove screw (19) from air cleaner (9) and install bracket (20) with screw (19).
Remove screw (27) from air comressor (11) and install fuel return line (17) and clamp (26) on air
compressor (11) with screw (27).
Install air line (21) on adapter (6).
Install governor air line (18) on elbow (1).
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