Kohler 2000ROZD — Fan Bearing Lubrication and Drive Belt Adjustment Procedure
Maintenance · Radiator fan shaft and idler shaft bearings (1200--2000 kW)
For the Kohler 2000ROZD, from the Kohler operator's manual.
Applies to: Kohler 2000ROZD
Before you start
- The fan shaft and idler shaft bearings have pressure relief ports to prevent bearing damage caused by overlubrication.
Parts for this job
- 279260 Oil filter Amazon eBay $20.47 NAPA $37.15
- 347423 Belt Amazon eBay
Part numbers from the service-parts list for Kohler 2000ROZD. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Place the generator set master switch in the OFF/RESET position.
- Disconnect the engine starting battery(ies), negative (--) lead first, and disconnect power to the battery charger.
- Remove the belt guards to expose the fan shaft and idler shaft bearings.
- Inject grease into the two fan shaft bearings and the two idler shaft bearings until a 3--6 mm (0.13--0.25 in.) grease column shows at each pressure relief port.
- Remove excess grease from the bearing pressure relief ports.
- Inspect the fan drive belt and replace if damaged or worn. Check belt tension with a poly V-belt tension gauge and adjust if necessary.
- Reinstall the belt guards using the original hardware.
- Reconnect the starting battery(ies), negative (--) lead last.
- Test run the generator set for a few minutes and listen for belt noise (squeal) indicating a slipping belt. Stop the generator set.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Mobil Mobilith AW2 NLGI Grade 2 or equivalent grease
- New belt 2450--2890 N (550--650 lbf); used belt 1650--1910 N (370--430 lbf)
Full service-parts list: Kohler 2000ROZD →
Source: Kohler operator's 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.