Service Manual

Drive Belt, Sea Water Pump ISB, ISBe and QSB (Common Rail [...]
Page 8-122 Section 8 - Cooling System - Group 08
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Drive Belt, Sea Water Pump (008-126)
Preparatory Steps
• Remove the belt guard. Refer to Procedure 008-001
(Belt Guard) in Section 8.
• Remove the belt guard. Refer to Procedure 008-001
(Belt Guard) in Section A.
• Remove the belt guard. Refer to Procedure 008-002
(Drive Belt, Cooling Fan) in Section 8.
Remove
Belt removal with adjustment tensioner:
Loosen the locking capscrew on the seawater pump idler
pulley.
Turn the adjusting screw counterclockwise to loosen the
drive belt.
Loosen and remove the drive belt from the seawater
pump pulley.
Belt removal without adjustment tensioner:
• Place the shop towel around the belt in front of the
seawater pump idler pulley.
• Install the ratchet with an 8 mm [.31 in] socket on one
of the seawater pump idler pulley capscrews.
CAUTION
Turning the water pump pulley in the
counterclockwise direction will result in impeller
damage and will loosen the water pump pulley
capscrew.
NOTE: Do not use the ratchet to rotate the pulley in the
counterclockwise direction under any circumstance.
• Use the shop towel and pull outward on the belt while
rotating the ratchet in the clockwise direction.