600 SRM 496
Cooling System Repair
1.
FAN
2.
PULLEY
3.
HUB
4.
SNAP RING
5.
SHAFT
6.
SUPPORT
BRACKET
7.
BRACKET
Figure 43. Fan Assembly
Assemble and Install
1.
Use press to install shaft and bearing in bracket.
See Figure 43. Push bearing in until it touches
bracket. Install snap ring. Install hub on shaft.
When installed, shaft must extend 2.1 mm
(0.083 in.) past hub.
2.
Install bracket assembly on cylinder block.
Tighten M8 capscrews to 32 to 47 N•m (24
to 35 lbf ft). Tighten M10 capscrews to 38 to
64 N•m (28 to 47 lbf ft).
3.
Install pulley and fan on hub. Tighten capscrews
to 8 to 11 N•m (6 to 8 lbf ft).
4.
Install fan belt. Adjust tension of the fan belt.
Check movement of fan belt between fan and al-
ternator.
Tension for NEW belt is correct when it moves 8
to 10 mm (0.32 to 0.39 in.) with 10 kg (22 lb) of
force. Tension for USED belt is correct when it
moves 10 to 12 mm (0.39 to 0.47 in.) with 10 kg
(22 lb) of force. Tighten alternator when tension
is correct.
WATER PUMP
Remove and Disassemble
NOTE:
If either the shaft or impeller is damaged, the
complete water pump must be replaced.
1.
Drain cooling system.
2.
Loosen alternator and remove fan belt.
3.
Remove capscrews for the fan. Remove fan and
pulley from the hub.
4.
Remove capscrews that hold fan bracket to en-
gine. Remove fan bracket.
5.
Remove upper and lower timing belt covers. See
Figure 44.
1.
UPPER TIMING BELT COVER
2.
LOWER TIMING BELT COVER
Figure 44. Timing Belt Covers
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