International Harvester Company TD-24 Operator's Manual page 72

MAINTENANCE
DIESEL FUEL SYSTEM - Continued
5. Disconnect all fuel lines leading to
the injection pump. (Before removing the
pump, be sure to disconnect the fuel injec-
tion pipes at both ends to prevent grooving
the pipe collars.) Install discharge caps
on the fittings and cover all open connections
to prevent dust and dirt from entering the
fuel system. Tape all pipe lines.
6. Disconnect the engine speed control
rod at "A" (Illust. 65).
7. Remove the 6 cap s cr ews "B" from
the injection pump drive cover and remove
the cover.
8. Remove the 3 cap screws "C"
(Ll lus
t .
66) which secure the timing indi-
cator "D" and pump gear "E" to the gear
hub; then lift off the timing indicator. Take
notice of the position of the timing indicator
before moving
it.
9. Remove the 4 cap screws "F" and
the 2 cap screws "G. "(Crank the engine to
reach the 2 cap screws
"G'.'
behind the
timing gear.)
10. Remove the 2 cap screws "H"
(Illust.
65) which secure the pump to the
, pump bracket. Lift off the complete pump
assembly.
Installing the Fuel Injection Pump
, To install the fuel injection pump,
proceed as follows:
1. Support the pump gear so it will
not bind in the crankcase front cover, and
IHust. 67
Remov~ng fuel injection pump.
l l lust , 68
Showing "DC" mark on the flywheel.
crank the engine until the No. 1 cylinder is
at top dead center of the compression stroke.
This position can be determined by remov-
ing the No. 1 spark plug arid placing your
thumb over the opening and cranking the
engine slowly until an outward pressure is
felt. Continue cranking slowly until the
"DC" mark on the flywheel is in line with
the pointer (as seen through the opening in
the flywheel housing, Illust.
68) •
. 2. Assemble a new gasket to the pump
mounting flange. Lift the pump into place
against the crankcase front plate, inserting
the pump gear hub into the pump gear and
lining up the notch in the gear hub with the
notch on the front face of the gear.
3. Secure the top of the pump mount-
ing flange to the crankcase Ir ont cover with
2 cap screws. Secure the pump bracket to
the injection pump with 2 cap screws.
4. Assemble the timing indicator to
the .gear hub, setting the indicator at "0."
Insert and tighten 3 cap screws which secure
the indicator and the gear to the hub.
5. Crank the engine and align the large
holes in the pump gear with the cap screw
holes behind the gear, and Lnae
r t and tighten
the 4 cap screws, as alignment takes place.
6. Assemble the gear cover with a new
gasket and secure it to the crankcase front
cover with
6
cap screws.
7. Connect the engine speed control
rod.
70
8. Connect the fuel lines. Be sure all
connections are clean and tight. CAUTION:
When reassembling pipe nuts on the fuel lines
to the injection pump, turn each nut with a
wrench until you can feel the nut solidly con-