Pump Oil Change
1) Place a suitable container below the pump to catch the used oil.
VRX:
All other pumps:
2) Allow the used oil to drain completely.
VRX:
All other pumps:
3) Please dispose of used oil in a manner that is compatible with the environment. We suggest you
take used oil in a sealed container to you local recycling center or service station for reclamation. Do
not throw it in the trash, pour it on the ground or down the drain.
4) With the pump in a level position add oil to the pump (see capacities below). For Comet and GNE
pumps: Use Universal Tractor Transmission Oil (part# COCP2101) or Mobil1 15W50 synthetic oil.
For Cat pumps: Use SAE 30 non-detergent oil or Cat pump oil item # 22158.
VRX:
All other pumps:
Comet AXD 2530 Pump
sight glass
(other side)
Oil capacity: 4.3 oz. (.13L)
Maintenance and Storage
Remove the bolts that connect the pump to the engine. Remove fill
cap and rotate pump upside down.
Remove drain plug.
Rotate pump to the upright position, and reinstall mounting bolts.
Reinstall drain plug.
Add specified capacity.
Fill to middle of sight glass.
Comet VRX 2528G Pump
fill cap
fill cap
drain plug
Oil capacity: 3.4 oz. (.10 L)
Cat 3SPX30G1I Pump
fill cap
sight glass
drain plug
Oil capacity: 10.2 oz. (.30L)
Cat 4DNX25GSI Pump
Oil capacity: 8.5 oz. (.25L)
Cat 66DX35G1I Pump
fill cap
sight glass
drain plug
Oil capacity: 18 oz. (.53L)
fill cap
sight glass
drain plug
18