Hamilton Jet HJ241, Manual

Page: 107 / 202

9.3
9 OVERHAUL
9.2 R
EVERSE
A
SSEMBLY
R
EMOVAL AND
O
VERHAUL
HJ-241 / HSRX
14.Check the Reverse Shaft Assembly attachment
Stud [41] fitted to the starboard side of the
Reverse Duct, for security of attachment.
Replace if loose or worn.
9.2.2 Reverse Duct Overhaul
REVERSE PIVOT BUSH [5] AND SLEEVE [50] RE-
PLACEMENT:
1. With the Reverse Duct removed from the Jet Unit,
press out the Reverse Pivot Bush [5] from inside
the Reverse Pivot Bush Sleeve [50].
2. Inspect the Bush [5] and Reverse Pivot Bush
Sleeve [50] for signs of excessive wear.
3. The Reverse Pivot Bush Sleeve [50] should not
require replacement.
4. Should the Reverse Pivot Bush Sleeve [50] be
damaged or worn, press out the Reverse Pivot
Bush Sleeve [50]. It may be necessary to apply
light heat to the Reverse Duct Arms in the area of
the Reverse Pivot Bush Sleeve [50] to break the
Loctite Seal.
5. Ensure that the Reverse Duct Arm bores are
cleaned of old loctite and paint.
6. Repair the paint finish in the bores.
NOTE: Activator 7075 must be used to refit the
Reverse Pivot Bush Sleeve [50] otherwise the
Loctite 325 will not cure.
7. Apply Loctite Activator 7075 to the outside of the
Reverse Pivot Bush Sleeve [50] and allow to dry.
NOTE: Do Not apply Activator 7075 to the painted
Reverse Duct Arm bores.
8. Apply Loctite 325 to the Reverse Duct Arm bores
and to the outside of the Reverse Pivot Bush
Sleeve [50].
NOTE: There are to be NO dry areas between the
Reverse Pivot Bush Sleeve [50] and the bores
in the Reverse Duct Arms once the Reverse
Pivot Bush Sleeves are fitted.
9. Press the new Reverse Pivot Bush Sleeve [50] into
the Reverse Duct Arm bores
10.Rotate the new Reverse Pivot Bush Sleeve [50]
when fitting to distribute the loctite evenly
around the bore.
11.Ensure that the Sleeves are pressed in evenly and
are fully home in the bores.
12.Clean off any surplus Loctite from around the
replacement Sleeves.
13.Refit the Reverse Pivot Bush [5] to the Reverse
Pivot Bush Sleeve [50].
REVERSE DUCT ANODES [46] REPLACEMENT:
Refer to Anode location Drawing
HJ-241-13-002
Anode Locations.
1. Check the Anodes [46] attached to the outer face
of the Reverse Duct Arms.
2. If these Anodes are less than half their original
size, they should be replaced.
3. To replace the Anodes on the Reverse Duct carry
out the following actions:
a) Unscrew and remove 2 x Nuts [23] and Spring
Washers [9] from Studs [47], attaching the
Anode [46] to the Reverse Duct [1].
b) Remove the Anode [46].
c) Clean up the contact area where the Anode
will locate, to remove any corrosion and
paint. Repair the paint finish.
d) Fit a new Anode [46] onto Studs [47] and
secure with Spring Washers [9] and Nuts [23].
e) Torque load to the recommended torque.
f) Carry out Items a) to e) for the second Anode.
4. If the Anode is in good condition, ensure that it
has not been painted over.
5. If a coating has built up on the Anode, scrub
down with a wire brush.
9.2.3 Reverse Cylinder Removal
Refer to Drawing HJ-241-07-001 Reverse Assembly
Sht1 & 2 .
Also refer to the Controls Manual Overhaul Section
for information on the Reverse Assembly.
1. Ensure that the Morse Ball Joint [36] has been
disconnected from the HSRX Handle [31].
2. Disconnect the hose from the Cooler to the
Reverse Cylinder Connector [32] fitted to the
Back Head [22],
ensuring that the hose is removed
from the Cooler connector prior to removing the
hose from the Reverse Cylinder at the Back Head.
3. Disconnect the Hose from the hydraulic pump to
the Reverse Cylinder at the Hose Connector [32]
fitted to the Front Head [15] on the HSRX Reverse
Cylinder. Fit blanking plugs to the hose
connections to prevent the ingress of dirt and
moisture.
4. Remove the Retaining Nut [11] and Washer [13]
from the Reverse Cylinder Front Head [15].