Cummins/Onan TUG MT8-37 — Step 12 – Fasten fan drive hub to fan drive shaft

Installation · Fan drive hub 132674

For the Cummins/Onan TUG MT8-37, from the Cummins/Onan service manual.

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Procedure

Apply red Loctite to the tapered end of the fan drive shaft
Slide fan drive hub 132674 over taper and press firmly onto shaft
Place 3/8" oversize flat washer over 3/8-16x1" hex head bolt and apply red Loctite
Thread bolt into end of shaft; hold shaft with flat head screwdriver; torque to 40 ft.lbs

Tools required

Torque wrench Amazon
9/16" socket Amazon
Flat head screw driver Amazon
Red Loctite Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

3/8-16x1" hex head bolt: 40 ft.lbs

Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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