DEMO - 1965 Ford Truck Shop Manual - ForelPublishing.com

PART 2-6 - AIR SUPPLY SYSTEM 2-71
ACCESSORY AIR AIR
DRIVE OUTLET INLET GOVERNOR
RUBBER
COUPLING
H1193-A
FIG. 8—Removing or Installing
Air Compressor—Cummins
remove the fuel pump from the air
compressor as described in Group 10.
3. Remove the rubber coupling
from the drive unit (Fig. 8).
4. Remove the two governor-tocompressor
retaining screws, and position
the governor out of the way.
5. Disconnect the air compressor
oil inlet line at the engine block
(Fig. 9).
6. Remove the oil return tube
from the bottom of the compressor
and the engine block.
7. Disconnect the water inlet and
outlet lines and the air inlet and outlet
lines from the compressor (Figs.
8 and 9).
WATER INLET LINE
WATER OUTLET LINE
8. Remove the two nuts and lockwashers
that hold the compressor to
the support bracket, and the four
capscrews and lock washers that hold
the compressor to the accessory drive
(Fig. 8).
9. Remove the compressor and the
splined accessory drive coupling (Fig.
10). Discard the old gasket.
INSTALLATION
1. Assemble the splined accessory
drive coupling to the compressor
drive gear (Fig. 10), and mount the
compressor to the accessory drive,
using a new gasket. Install and tighten
the four capscrews and lock washers
(Fig. 8).
2. Attach the compressor to the
support bracket with two nuts and
lock washers.
3. Connect the water inlet and
outlet lines (Fig. 9), and the air inlet
and outlet lines to the compressor
(Figs. 8 and 9).
4. Connect the air compressor oil
return tube at the bottom of the compressor
and at the engine block
(Fig. 9).
5. Connect the air compressor oil
inlet line to the engine block.
6. Mount the governor to the
compressor, and install the two governor-to-compressor
retaining screws
(Fig. 8).
7. Install the fuel pump to the
compressor rear flange with a new
gasket and rubber coupling in position
(Figs. 8 and 10), then connect
the throttle linkage and lines as described
in Group 10.
8. Fill the cooling system, and
charge the reservoirs.
REPLACEMENT
1. Remove the old compressor as
described under "Removal."
2. Remove the compressor drive
gear retaining nut, then remove the
drive gear from the compressor
crankshaft using a universal puller
(Fig. 10).
3. Remove the retaining nut and
the fuel pump drive gear from the
rear end of the compressor crankshaft.
4. Transfer the water inlet and
outlet fittings, the air outlet fitting,
and the oil return fitting from the
old to the new compressor (Figs. 8,
9 and 10).
5. Transfer the air inlet housing
and screen from the old to the new
compressor (Fig. 10).
6. Remove the oil inlet line from
the compressor drive and fuel pump
flange, and install it to the new compressor.
7. Install the fuel pump drive gear
and retaining nut on the rear end of
the new compressor crankshaft.
8. Install the splined compressor
drive gear to the crankshaft of the
new compressor, and secure with a
flat washer, lock washer and nut (Fig.
10).
9. Install the new compressor as
described under "Installation."
AIR COMPRESSOR—CUMMINS
DIESEL V-6 ENGINES
The Cummins air compressor is
used on trucks equipped with V-6
engines. The compressor is flange
mounted to an accessory gear case
which is located at the rear of the engine
between the two cylinder banks.
The unit is driven by a gear which is
AIR INLET
HOUSING
COMPRESSOR
DRIVE GEAR
WATER OUTLET
FITTING
TACHOMETER
CABLE
TO INLET
MANIFOLD
ACCESSORY
DRIVE
COUPLING
PUMP
INLET
FUEL PUMP
OOETURN TUBE OIL INLET LINE HI 192-A
FIG. 9—Air Compressor and Fuel
Pump Installed
RETAINING NUT
FIG. 10—Air Compressor and Fuel Pump Removed
H1194-A