Hamilton Jet HJ241, Manual

Page: 130 / 202

9.26
9 OVERHAUL
9.7 T
AILPIPE
A
REA
- O
VERHAUL
HJ-241 / HSRX
b) Remove the Bolts [51], Nyloc Nuts [65] and
Spring Washers [28] securing each Anode to
the Anode Mount Plate.
c) Remove the 4 Internal Tailpipe Anodes [50].
d) Clean up the contact area where the Anodes
will locate to remove any corrosion and paint.
Repair the paint finish.
e) Clean the threads of the attachment Bolts [51]
and apply Loctite 243 to the threads.
f) Fit new Internal Tailpipe Anodes [50] to the
Anode Mounting Plate [44] and secure with
Bolts [51], Nyloc Nuts [65] and Spring Washer
[28]. Torque load Nyloc Nuts to the
recommended torque.
g) Clean the threads of the Studs [52] located on
the inner face of the Tailpipe and apply Loctite
243 to the threads of the Studs [52]
h) Refit the Anode Mounting Plate [44] to the
Tailpipe and attach to Studs [52] with Nuts
[27] and Spring Washers [28]. Torque load to
the recommended torque.
3. If the Anodes have not been replaced and are still
in good condition, ensure that the Anodes are not
painted over.
4. Scrub the Anodes with a wire brush if a coating
of corrosion has built up on the Anodes.
9.7.8 Tailpipe Area Re-Assembly
Refer to Drawings HJ-241-01-000 Basic Jet Assem-
blies Standard and Dry Run Sht 1 & 2.
IMPELLER RE-ASSEMBLY:
1. Smear a light coating of grease over the
Mainshaft from the rear of the threaded area to
the shoulder on the Mainshaft.
Do not grease the
threads on the Mainshaft.
2. Insert the Impeller Key [11] into the Mainshaft
keyway and tap into position with a soft
hammer.
3. Slide the Impeller onto the Mainshaft ensuring
that the Impeller engages fully with the Impeller
Key [11].
4. Fit the Bearing Sleeve [4] onto the Mainshaft.
5. Apply "Loctite 243" or equivalent to the
Mainshaft threads.
6. Fit the Impeller Nut [10]. Torque load to 275 Nm
(200 ft/lbs).
TAILPIPE RE-ASSEMBLY:
7. Dust the Water Bearing [2] with talcum powder
or french chalk.
8. Clean and grease the Tailpipe / Intake contact
faces.
9. Check the Intake / Tailpipe O-Ring [42] for
permanent set. Replace if necessary. To refit the
"O" Ring [42], stretch the O-Ring by hand until it
is a snug fit in the Intake recess and holds itself
in place. Grease can be used to help keep the O
Ring in place and to ensure that the O Ring is not
pinched during assembly.
10.Carefully refit the Tailpipe over the Impeller and
onto the Intake and Tailpipe Studs [30].
11.Apply a light smear of grease to the threads of
the Studs [30].
12.Refit Spring Washers [16] and Nuts [17] and
tighten evenly to the correct torque.
13.Rotate the Mainshaft to ensure that the assembly
will rotate.
14.The Nozzle and Nozzle Housing can be re-fitted
to the Tailpipe. Refer to Section 9.5.2 Re-Assemble
the Nozzle / Nozzle Housing to the Tailpipe.
15.Re-connect the Steering Shaft and Steering
Control Cable / Steering Cylinder or Tie Rod
(Whichever steering option fitted).
Refer to
Section 9.5.3 Steering Shaft Re-Fitting .
16.Refit the Reverse Duct and the Splash Guard [7].
Refer to Section 9.3.2 Reverse Duct: Refit to the Jet
Unit.