ploum
14.06.2021 2:37:58
Grease thrust bearing every 2 months or 100 hours of operation. (high performance applications should be greased more often)
See full version: Jet Drives; Accessories - Berkeley Jet Drive
Grease thrust bearing every 2 months or 100 hours of operation. (high performance applications should be greased more often)
The packing gland can be tightened so no water leaks past it, but if it is set up too tight it will overheat and the packing materials useful life will be shortened. If the gland is permitted to leak too much at low speeds the pump could suck air back into the suction piece causing poor acceleration and low speed thrust. So you can see that the gland adjustment is important to the operation of the jet drive. The correct adjustments should be about 1 drop of water per minute at idle leaking past the packing gland. Both of the adjustment nuts should be tightened or loosened equally as to avoid breaking the aluminum packing follower. [links]
Q: Can I run my pump while the boat is on the trailer?
A: Running the Berkeley out of the water:
A: Straight 90 Weight Gear Oil
Q: What are the torque specifications for the Berkeley pumps?
A: Torque specs:
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1/2" bowl bolts 70-75 ft.lbs.
5/16" nozzle housing bolts 20-25ft.lbs.
5/16" bearing cap bolts 20-25ft.lbs.
5/16" suction to intake bolts20-25 ft.lbs.
1 1/4" impeller nut 70-75 ft.lbs. more
You will find an identification tag attached to the pump next to the thrust bearing grease fitting. This tag will be stamped with the pumps model number. Use the tests below if the tag is missing or unreadable.
Installing the Hand-Hole Cover - Watch the Video
Installing an Inducer onto the Pump Shaft - Watch the Video here
Each pump is disassembled, cleaned and inspected The shaft is checked for straightness The pump is then assembled using all new parts including your choice of aluminum impeller size, bearings (pre greased), impeller nut, seals, packing, bearing snap ring, impeller key-way and a complete gasket set Jet pumps are brought back to stock specifications and have a one year warranty on parts and labor Only genuine Berkeley parts are used No inferior import pieces more
Stage 2 - Disassemble, clean, inspect all parts: here
Stage 3 - Disassemble, clean, inspect all parts:
Each pump is disassembled, cleaned and inspected The shaft is checked for straightness The pump is then assembled using all new parts including your choice of aluminum impeller size, bearings (pre-greased), impeller nut, seals, packing, bearing snap ring, impeller key-way and a complete gasket set Jet pumps are brought back to stock specifications and have a one year warranty on parts and labor Only genuine Berkeley parts are used No inferior import pieces
Rudder Removal (If equipped)
Installing the Steering Tube - Watch the Video
Removing the Suction Housing/Pump - Watch the Video more