Emergency Procedures; Jet Pump Clean-Out Procedure - Yamaha AR195 Owner's/Operator's Manual

Trouble recovery

Emergency procedures

Jet pump clean-out procedure

WARNING
Severe injury or death may result if you ig-
nore any of the following:
Turn off and remove both main switch
●
keys, remove the clip from the engine
shut-off switch, and wait for all move-
ment to stop before removing the ac-
cess port caps.
Never override the interlocks to run the
●
engines with the rear platform hatch
open.
The impellers have sharp edges. Be
●
careful when reaching into jet pump ar-
eas.
If weeds or debris get caught in the intakes or
impellers, cavitation can occur, and though
the engine speed rises, forward thrust will de-
crease. If this condition is allowed to continue,
jet pump damage can occur and the engines
may overheat and seize. If there is any sign
that a jet intake or impeller is clogged with
weeds or debris, follow this clean-out proce-
dure.
(1) Turn off and remove the main switch key,
remove the clip from the engine shut-off
switch, and wait for all movement to stop.
(2) Open the rear platform hatch. (See page
61.)
(3) Check that the retaining cord is securely
attached to the access port cap and strap
eye.
124
3
1 Access port cap
2 Retaining cord
3 Strap eye
(4) While holding the handle and pushing
down, turn the access port cap counter-
clockwise until the "SET" mark is aligned
with the slot, and then lift the cap by the
handle.
NOTICE
Do not lift or pull the cap with the retain-
●
ing cord.
Set the cap where it cannot be acciden-
●
tally knocked overboard.
1
1 "SET" mark
2 Slot
1
2
2