Sea Ray 390 Sundancer, Owner'S Manual

Page: 85 / 184

4.5
S
ECTION
4 • B
ILGE
& U
NDERWATER
G
EAR
390 Sundancer ® ( 425 Sundancer ® )
10. E
NGINE
R
EMOVAL
Should the removal of an engine become necessary,
see your Sea Ray
® dealer or an authorized
service representative of the engine
manufacturer. The following is only a generalized
procedure to follow.
Shut off the fuel lines and close the engine
seacocks. Remove all electrical wires, fuel lines
and raw water intake hoses from the engine. Unbolt
the engine coupling from the shaft coupling and slide
the shaft and coupling back from the engine. Detach
both throttle and shift connections. Cap off hoses
to avoid hydraulic fluid loss. Do not bend or twist
the hoses, as damage may result. Remove the
mounting bolts for the engine and lift the engine out,
leaving the mounts bolted to the stringer caps.
To reinstall, reverse the above procedure. Check
the coupling and shaft alignments, as well as water
hoses and wiring connections. Also check for fuel
and exhaust leaks and make sure seacocks are
open before starting engines.
11. V
IBRATION
& C
AUSES
Some vibration is to be expected in your boat
because of the action of the engines and the
propeller. But excessive vibration indicates
conditions which must be promptly corrected to
avoid damage. Contact your Sea Ray
®
dealer
immediately if you are experiencing severe
vibration. The following are some conditions which
may cause vibrations.
A. F
OREIGN
O
BJECT
I
NTERFERING WITH
P
ROPELLER
A
CTION
Weeds, ropes, fishing lines or nets can become
wrapped around the propeller and/or shaft, causing
vibration and loss of speed. Always stop and then
390 DA E
NGINE
E
XHAUST
(G
AS
)
(F
IG
. 4.5.1)
A
C
B
EXHAUST HOSE
FROM PORT ENGINE
FROM STARBOARD
ENGINE
D
E
F
MUFFLERS
UNDERWATER EXHAUST
EXHAUST BY-PASS
390 DA E
NGINE
E
XHAUST
(D
IESEL
)
(F
IG
. 4.5.2)
A
C
B
EXHAUST HOSE
FROM PORT ENGINE
FROM STARBOARD
ENGINE
A
C
B
D
E
EXHAUST BYPASS
UNDERWATER EXHAUST
D
D
Hose clamps must be tight at all times to avoid
exhaust leaks.
! WARNING
E
E
D
B
C
F
A
A
F
E
A