Service Manual

ISB, ISBe and QSB (Common Rail [...] Fuel Pump
Section 5 - Fuel System - Group 05 Page 5-25
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Front Gear Train
CAUTION
Place a clean cloth in the air-gap between the fuel
pump drive gear and the gear cover, or use a screw
driver to prevent the mounting nut and lock washer
from being dropped into the front gear train.
CAUTION
The fuel pump drive gear is captive between the gear
housing and the gear cover. Do not rotate the engine
while the gear is not supported by the fuel pump drive
shaft. The gear, gear housing, or gear cover can be
damaged.
NOTE: The engine barring tool, Part Number 3824591,
can be used to prevent the crankshaft from rotating while
tightening the retaining nut.
Install the drive gear retaining nut and lock washer onto
the drive shaft. Tighten the gear retaining nut.
Torque Value: 105 N•m [ 77 ft-lb ]
Install a new square cut o-ring onto the fuel pump drive
access cover.
Install the fuel pump drive access cover with a 3/8-inch
drive ratchet. The plate is threaded into the gear cover.
Torque Value: 8 N•m [ 71 in-lb ]
Marine Applications
WARNING
When using solvents, acids, or alkaline materials for
cleaning, follow the manufacturer's recommendations
for use. Wear goggles and protective clothing to
reduce the possibility of personal injury.
WARNING
Some solvents are flammable and toxic. Read the
manufacturer's instructions before using.
The fuel pump driveshaft nose and drive gear shaft
mating surface must be clean and dry prior to installation.
Wipe off the driveshaft and gear with solvent and a lint-
free cloth. Do not touch the mating surfaces after wiping.