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| Illustration 1 | g00292805 |
Typical example of the fuel injection pump | |
(1) O-ring
(2) Hub nut
Note: Do not release the hub nut from the fuel injection pump. The fuel pump hub is positioned to the pump shaft in order to ensure that the fuel pump is in the correct position for timing. If the hub is removed, the hub will need to be accurately positioned to the pump shaft. Accurate positioning requires the use of special equipment by a Caterpillar Dealer.
(3) Locking spacer
The drive shaft of the fuel injection pump must not be turned without the spacer in position under the locking screw (4) .
(4) Tighten the locking screw to the following torque: ... 10 N·m (7 lb ft)
The locking screw prevents the rotation of the drive shaft.
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| Illustration 2 | g00292837 |
Typical example of the positions of the locking spacer | |
Before the crankshaft is turned or the fuel injection pump is installed, move locking spacer (3) under locking screw (4). Refer to position (A) that is in Illustration 2. This position ensures that the pump drive shaft is released.
(5) Tighten the adjustment screw for low idle to the following torque: ... 4 to 4.5 N·m (35 to 40 lb in)
(6) Tighten the adjustment screw for high idle to the following torque: ... 4 to 4.5 N·m (35 to 40 lb in)
(7) Tighten the fitting for the fuel return line connection to the following torque: ... 5 to 6 N·m (44 to 53 lb in)
(8) Electrical connection for the stop solenoid
(9) Tighten the fitting for the fuel supply connection to the following torque: ... 22 N·m (16 lb ft)
(10) Tighten the flange nuts to the following torque: ... 28 N·m (21 lb ft)
(11) Tighten the nuts for the fuel supply lines to the following torque: ... 22 N·m (16 lb ft)
(12) Electrical connection for cold starting aid
(13) Tighten the fittings for the fuel supply lines to the following torque: ... 70 to 81 N·m (52 to 60 lb ft)