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Chapter 10 COOLING SYSTEM
2.2 Tension Pulley - Disassemble and Inspect (Water pump side for Air cooler)
1
Tension Pulley - Disassemble and Inspect (Water pump side for Aircooler)
Disassembling Sequence
1 Bolt
2 Thrust plate
3 Spacer
2.2.1 Tension Pulley - Inspect
Measure the bearing fit in tension pulley and on shaft. If abnormal wear or damage is shown, replace the bearing, pulley or ten-
sion bracket.
Item
Inside diameter of tension pulley bearing fit
Bearing
Outside diameter of bracket bearing fit
10-18
Belt groove wear
6
5
4
3
2
4 Snap ring
5 Ball bearing
6 Spacer
Nominal value
ø52 [2.05]
Outside diameter
ø52 [2.05]
Inside diameter
ø20 [0.79]
ø20 [0.79]
8
7
Crack, flaw,
deflection of shaft,
oil hole clogging
Rotation
7 Ball bearing
8 Tension pulley
9 Bracket
51.970 to 51.995 mm [2.0461 to 2.0470 in.]
51.987 to 52.000 mm [2.0467 to 2.0472 in.]
19.988 to 20.000 mm [0.7869 to 0.7874 in.]
19.987 to 20.000 mm [0.7869 to 0.7874 in.]
PTAW spec
9
Standard value
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