Westerbeke W-70GA Manual de instalación Pagina 20
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- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
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Valorado. / 5. Basado en revisión del cliente
COOLING
SYSTEM
RAW
WATER
INTAKE
STRAINER
NOTE:
Always install
the
strainer at
or
below
the
waterline
so
the
strainer will always be self-priming.
A clean raw water intake strainer is a vital component
of
the
engine's cooling system. Include a visual inspection
of
this
strainer when making your periodic engine check. The water
in the glass should be clear.
Perform the following maintenance after every 100 hours
of
operation:
1.
Close the raw water seacock.
2. Remove and clean the strainer filter.
3. Clean the glass.
4. Replace the sealing washer
if
necessary.
5. Reassemble and install the strainer.
6.
Open the seacock.
7. Run the engine and check for leaks.
NOTE:
Also follow the above procedure after having
run
hard
aground.
If
the engine temperature gauge ever shows a higher than
normal reading, the cause may
be
that silt, leaves or grass
may have been caught up in the strainer, slowing the flow
of
raw water through the cooling system
RAW
WATER
INTAKE
STRAINER
TYPICAL
[OWNER
INSTALLED]
RAW
WATER
PUMP
The raw water pump
is
a self-priming, rotary pump with a
non-ferrous housing and a Neoprene impeller. The impeller
has flexible blades which wipe against a curved cam plate
within the impeller housing, producing the pumping action.
On no account should this
p"ump"
be run dry. There should
always be a spare impeller and impeller cover gasket aboard
(an impeller kit). Raw water pump impeller failures occur
when lubricant (raw water) is not present during engine
operation. Such failures are not warrantable, and operators
are cautioned to make sure raw water flow is present at start-
up. The raw water pump should be inspected periodically for
broken or tom impeller blades. See
MAINTENANCE
SCHEDULE.
NOTE:
Should a failure occur with
the
pump s internal parts
(seals and bearings), it may be more cost efficient
to
pur-
chase a new pump and rebuild
the
original pump as a
spare.
Changing
the
Raw
Water
Pump
Impeller
Close the raw water intake valve. Remove the pump cover
and, with the aid
of
two small screwdrivers, carefully pry the
impeller out
of
the pump. Install the new impeller and gasket.
Move the blades to conform to the curved cam plate and
push the impeller into the pump's housing. When assem-
bling, apply a thin coating oflubricant to the impeller and
gasket.
Open the
raw
water intake valve.
Run the engine and check for leaks around the pump. Also
check for water discharge at the stem tube. Absence
of
water
flow indicates the pump has not primed itself properly.
RAW
WATER
PUMP
INCOMING
RAW
WATER
A
CAUTION:
If
any
of
the
vanes
have
broken
off
the
impeller,
they
must
be
located
to
prevent
blockage
in
the
cooling
circuit.
They
often
can
be
found
in
the
heat
exchanger
Engines & Generators
14
- OPERATORS 1
- WARNING 2
- INSTRUCTIONS 3
- INSTALLATION 6
- CONTENTS 7
- "ii; 8
- EXCHANGER--k--...p!!J~ 8
- ~2¥fii4;l:143=t 9
- INTRODUCTION 10
- Engines & Generators 10
- It allows 11
- DESCRIPTION 12
- INSPECTION 13
- CAUTION: 13
- Stopping 16
- Procedure 16
- MAINTENANCE 18
- SCHEDULE 18
- As the engine 19
- & Generators 19
- COOLING 21
- 3. Remove 22
- LUBRICATING 23
- CARBURETOR 26
- 0~_-.MULTIMETER 28
- "BATIERY 30
- SENSE" 30
- ALTERNATORS 31
- W ALARM 32
- TACHOMETER 34
- /' 36
- TESTING 37
- RESISTANCE 37
- TROUBLESHOOTING 38
- ~~~~'!.fJ 42
- 'Mi7J 42
- TRANSMISSION 43
- CONNECTIONS 44
- COUPLINGS 44
- CHECKING 45
- OPERATING 45
- Lay-up/Winterize 51
- Problem 52
- Probable 52
- VerificationJRemedy 52
- Sta-Bil gasoline 54
- BioBor and Sta-Bil should 54
- STANDARD 59
- CONVERSION 59
- I I I I I 60
- I I I I I I I 60
- I I I I 60
- I I I I I I I I 60
- SUGGESTED 61
- WM/DW1081-5/04 64
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