Reverse Shaft And Bushes; Reverse Linkages; H Bar Or Driveshaft Universal Joints; Engine Alignment - Hamilton Jet HJ212 Installation And Service Manual

Installation and Service Manual

Reverse Shaft and Bushes

Every 3 months:
Check play in reverse shaft and bushes for excessive lateral play, wear or binding.

Check for signs of leaking around the seal.

Replace bush or seal as required.


Reverse Linkages:

Check the integrity daily where possible.
Check that all linkages between the reverse cylinder and the reverse duct are secure and have a small

amount of free play.

H Bar or Driveshaft Universal Joints

Lubricate every 100 hours or to suit the manufacturer's recommendations.
Follow the manufacturer's recommendations for the type of driveshaft used.


Engine Alignment:

Every 3 months or 250 hours:
Check the engine alignment after the specified time period or after any severe impact or grounding.

Refer to drawing: HJ21202005 Close Coupling Kit.

Jet Unit

Carry out a complete examination of the jet unit after the first 6 months or 500 hrs. operation and thereafter
every 12 months or 1000 hrs.
This examination should be done with the vessel out of the water.

The jet unit may need to be dismantled to access some of its internal parts. Refer to the overhaul section

for dismantling and reassembly procedures
Check the following:

Impeller blades:

Check clearance:
Carefully remove the inspection hatch cover

Use feeler gauges to check the clearance between the tips of the impeller blades and the wear ring at

each side of the impeller (not top and bottom)
8-13
Maintenance