Allis-Chalmers 2900 Mark II — Fan, Fan Spacer, and Fan Pulley Inspection and Installation
Maintenance · Fan, fan spacer, fan pulley
For the Allis-Chalmers 2900 Mark II, from the Allis-Chalmers service manual.
Procedure
- Remove fan guard; loosen capscrews and push alternator in to relieve tension on fan belts.
- Remove capscrews and lock washers securing fan and fan spacer to pulley hub; remove fan and fan spacer.
- Slip fan belts off pulley and remove pulley.
- Inspect fan for cracks, loose rivets, or bent blades. Repair or replace if necessary.
- Inspect fan spacer and pulley for wear or damage. Replace if necessary.
- Position pulley on hub; position belts in pulley grooves.
- Install fan spacer and fan, securing with capscrews and lockwashers. Tighten capscrews to a torque of 30 to 35 lbs.ft. (4,14-4,83 kg/m).
- Adjust the fan belts; refer to 2.3.2.
Specs & values
- Fan capscrews torque: 30 to 35 lbs.ft. (4,14-4,83 kg/m)
Source: Allis-Chalmers 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.