Hamilton Jet HJ241, Manual

Page: 84 / 202

7.6
7 FAULT FINDING
7.2 R
EVERSE
S
YSTEM
F
AULTS
HJ-241 / HSRX
13 Reverse Cylinder: Water Leaking in around the Front Head [15].
Reverse Cylinder Seal failure:Suspect
Seals are:-
Resilient Mounts [14.1] and [14.2].
O-Ring [16].
Overhaul the Reverse Cylinder. Sect. 9.2.4
14 Poor Reverse Thrust.
Reverse Duct not travelling fully down.
Reverse flow hitting the Trim Tabs.
Engine exhaust is being ingested into
the Intake.
Determine the reason for limited reverse
travel and correct. Check the Reverse
Assembly.
Reposition Trim Tabs below Jet centre.
Reposition engine exhausts to exhaust
above the waterline.
Sect. 9.2
Sect. 3.2.4
and
Sect. 3.7.5
15 Poor Forward Thrust.
Reverse Duct not travelling fully up. Determine reason for limited travel and
correct. Sect. 9.6.3
16 Reverse Control Lever movement is stiff.
Reverse Control Lever or Cable is stiff. Disconnect the Reverse Control cable at
the Lever. Check Controller movement and
cable movement. Lubricate as necessary.
Check for bent or loose linkages.
Check cable run from Control Lever to the
Reverse Cylinder Lever to ensure that cable
is not being accidentally bent or crushed
and restricting movement.
Check cable type, length and route are as
specified. Refer to
Sect. 5.8 in
this man-
ual.
17 Reverse Duct Lever or Cable is stiff to operate.
Reverse Control Lever or Cable is stiff. Disconnect the Reverse Control Cable at
the Lever. Check the Controller and control
cable movement. Lubricate.
Check for bent or loose linkages.
Check cable run from the Control Lever to
the Reverse Cylinder lever to ensure that
the cable is not being accidentally bent or
crushed and restricting movement. Check
cable type, length and route are as speci-
fied. Refer to
Sect. 5.8 in
this man-
ual.
Table 6: Reverse System Faults
NO
SYMPTOMS
POSSIBLE CAUSE SOLUTION REFER