Section 110-0030
SM 1571 12-98
11
Engine - Engine and Mounting
* * * *
SPECIAL TORQUE SPECIFICATIONS
TORQUE
FIG. NO. ITEM NO. ITEM NAME Nm lbf ft
1 7 Bolt 150 110
1 22 Bolt 34 25
1 51 Bolt 81 - 95 60 - 70
1 62 Bolt 81 - 95 60 - 70
- - Fan Hub Mounting Bolts 101 - 126 75 - 93
Using belt tension gauge, adjust the belt tension to
the following values:
Fan - Poly 'V' Belt
Belt Tension 'New' - 3 340 N (750 lbf)
Belt Tension 'Used' - 2 450 - 3 340 N (550 - 750 lbf)
Alternator - 'V' Belt
Belt Tension 'New' - 556 N (125 lbf)
Belt Tension 'Used' - 445 N (100 lbf)
Note: A belt is considered 'Used' if it has been in
service for 10 minutes or longer. If the used belt
tension is less than the minimum value, tighten the
belt to the maximum value.
Belts should be neither too tight nor too loose. Belts
that are too tight impose excess loads on the
crankshaft, fan and alternator bearings, shortening
both belt and bearing life. Excessively overtightened
belts can result in crankshaft breakage. A loose belt
will slip and may cause damage to accessory
components.
SPECIAL TOOLS
Refer to Section 300-0070, SERVICE TOOLS, for
part numbers of tools referenced in this section,
general service tools required, and service tools
which should be used in conjunction with procedures
oulined in the engine manufacturers service manual.
These tools are available from your dealer.
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