Service Manual

Drive Belt, Sea Water Pump ISB, ISBe and QSB (Common Rail [...]
Page 8-124 Section 8 - Cooling System - Group 08
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For cogged belts, make sure that the belt tension gauge is
positioned so that the center tensioning leg is placed
directly over the high point (hump) of a cog. Other
positioning will result in incorrect measurement.
Refer to Procedure 018-005 (Belt Tension) in Section V
for the correct gauge and tension value for the belt width
used.
Tighten the locking capscrew in the center of the idler
pulley.
Torque Value: 45 N•m [ 33 ft-lb ]
Check the final belt tension.
Belt installation without adjustment tensioner, installed
with tool:
NOTE: No lubricants or soaps can be used to install belts.
The tool is supplied with the new replacement belt.
• Insert the special tool (provided) over the grooves of
the seawater pump idler pulley.
• Place the belt over the tool.
• Rotate the pulley 360 degrees in the clockwise
direction, use a ratchet and an 8 mm [.31 in] socket
until the belt is fully installed.
• Make sure the belt is correctly aligned in the grooves
of the pulleys. If the belt is not correctly installed after
first revolution, continue to rotate the pulley until the
belt is properly aligned.
Optional installation:
• Remove three mounting capscrews from the seawater
pump.
• Loosen the remaining capscrew.