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Maintenance and Storage
18
Pump Oil Change
1) Place a suitable container below the pump to catch the used oil.
VRX:
Remove the bolts that connect the pump to the engine. Remove fill
cap and rotate pump upside down.
All other pumps:
Remove drain plug.
2) Allow the used oil to drain completely.
VRX:
Rotate pump to the upright position, and reinstall mounting bolts.
All other pumps:
Reinstall drain plug.
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
NorthStar 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:
Add specified capacity.
All other pumps:
Fill to middle of sight glass.
fill cap
Oil capacity: 8.5 oz. (.25L)
Cat 3DNX25GSI Pump
Oil capacity: 18 oz. (.53L)Oil capacity: 10.2 oz. (.30L)
sight glass
drain plug
Cat 3SPX30G1I Pump
fill cap
Cat 66DX35G1I Pump
Oil capacity: 4.3 oz. (.13L)
Comet BXD 2530 Pump
fill cap
drain plug
Oil capacity: 10 oz. (.29L)
drain plug
fill cap
Comet AWD4040 Pump
fill cap
fill cap
drain plug
drain plug
sight glass
sight glass
drain plug
sight glass
(other side)
Oil capacity: 3.4 oz. (.10 L)
Comet VRX 2528G Pump
fill cap
fill cap
NorthStar NSZW3540 Pump
Oil capacity: 10.3 oz. (.30L)
sight glass
drain plug
NorthStar NSLW2530 Pump
Oil capacity: 11 oz. (.32L)
sight glass