DRIVE BELT INSPECTION [F2]


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Drive Belt Deflection Inspection

1.  Verify the drive belt deflection when the engine is cold, or at least 30 min after the engine has been stopped. Apply pressure 98 N {10 kgf, 22lbf} midway between the specified pulleys.

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Drive belt deflection

Drive Belt

*New

Used

Generator
7.0—8.0 mm {0.28—0.31 in}
8.0—9.0 mm {0.32—0.35 in}
P/S
5.0—6.0 mm {0.20—0.23 in}
5.5—6.5 mm {0.22—0.25in}
A/C
10.0—12.0 mm {0.40—0.47 in}
12.0—14.0 mm {0.48—0.55 in}

*  :A belt that has been on a running engine for less than five min.

2.  If the deflection is not within the specification, adjust it. (See DRIVE BELT ADJUSTMENT [F2].)


Drive Belt Tension Inspection

1.  Belt tension can be verified in place of belt deflection. Verify the drive belt tension when the engine is cold, or at least 30 min after the engine has been stopped. Using the SST, verify the belt tension between any two pulleys.

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Drive belt tension

Drive Belt

*New

Used

Generator
510—588 N {53—59 kgf, 115—132 lbf}
431—510 N {44—52 kgf, 97—114 lbf}
P/S
392—490 N {40—49 kgf, 89—110 lbf}
343—441 N {35—44 kgf, 78—99 lbf}
A/C
372—490 N {38—49 kgf, 84—110 lbf}
274—372 {28—37 kgf, 62—83 lbf}

*  :A belt that has been on a running engine for less than five min.

2.  If the tension is not within the specification, adjust it. (See DRIVE BELT ADJUSTMENT [F2].)