Westerbeke 38B FOUR Manual del operador Pagina 88
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Valorado. / 5. Basado en revisión del cliente
Valve Clearance
Adjustment
rN
35B THREE Engine)
CAUTION
Adjust the valve clearance when the
engine is cold.
Valves are adjusted
by
cylinder in the firing order
of
the en-
gine.
Tighten the cylinder head bolts to the
specified torque before adjusting the
valves.
(See page 85.)
1.
Pull off the air breather pipe from the rock-
TO
C
MA
R K
er cover, and take off the rocker cover
(C
y
li
n d e r
bolts and the rocker cover.
No.3
1
2.
Adjust the valve clearances at TDC (Top
Dead Center) for each cylinder when they
are on
their
compression stroke (see
below). Remember the engine's firing
\
TOC
MRRK
(
Cylinder
Ko.ll
TOC
MARK
(Cylinder
No.2l
order is 1-3·2. You may find that turning the engine's crankshaft
is
more easily accomplished when the
engine's glow plugs are removed before the crankshaft
is
rotated.
A.
Align the timing mark on the gear case with the timing mark on the crankshaft pulley indicated for
cylinder
NO.1 (the one next
to
the three injection timing marks). In this position, the NO.1 cylinder
is
at ks
top
Timing Mark while dead center on ks compression stroke. Check both intake and exhaust
valve clearances for this cylinder.
If the valves have no specified clearance, adjust by means of the ad-
justing screws. Remember
to
align the timing marks properly; if not, the valve may be pushed up
by
the piston, depending on the position of the cam lobe.
Be
sure
to
check the valves for this cylinder -
they both should be closed.
B.
Next the
No.3
cylinder: Turn the crankshaft clockwise
240°
so the TDC mark for the NO.3 cylinder, on
the front crankshaft
pulley, is approximately
at
the position shown in the illustration above.
Now
adjust the intake and exhaust valves for
cylinder
No.3.
Be sure
to
check the valves
for
this
cylinder-they
both should be closed. ADJUST VALVES
TO
0.010
INCHES
(0.25
MMJ
C.
Last
is
the
No.2
cylinder: Turn the crankshaft
clockwise another
240°
to
position the TDC
mark on the crankshaft
pulley approximately
at the position shown in the illustration shown
above.
Now
adjust the intake and exhaust
valves for cylinder
NO.2.
Be
sure to check
the valves for this cylinder - they both should
be closed.
Adjust each valve's clearance by inserting a
0.010
inch (0.25 mm) feeler gauge between the rocker
arm and the valve stem.
Westerbeke Diesel Engines
86
- WESI'ERBEKE 1
- SAFETY PRECAUTIONS 2
- 1 Westerbeke Diesel 3
- . 4
- Diesel Engines 5
- Marine Diesel Engine 10
- Lift pump 11
- Oil Fill 12
- 90° Exhaust Elbow 12
- THREE MARINE DIESEL ENGINE 14
- GENERAL SPECIFICATIONS 14
- 6 ft (1.8 m) 15
- + 000 - 100) at full open 16
- + 000 - 100) at full open 19
- ± 0.5' BTDC (Static) 21
- AlnIl:Nan:~~~~~B~~==~' 23
- Rigging and 24
- Engines 24
- Westerbeke Diesel Engines 27
- Exhaust System 28
- ." 29
- * Manufactured 31
- + ) battery connection 34
- 190' 35
- Westerbeke 38
- 30 seconds at a time 41
- Break-In 43
- FITTING 45
- Iills. Prevent 46
- ,-----/---€,i\l--\ 49
- ----+fT 50
- ,----:---"1;" 51
- ~1l1)~,i 52
- 1'1 53
- FUNCTION 55
- MANIFOLD 55
- PRESSURE 55
- '1 56
- : i: ' 56
- REPLACE 57
- IMCOMING 59
- Crankcase 64
- NEUTRAL 66
- "j/ 68
- I I i 69
- 10-13/10-14 70
- Starling the Engine 71
- Shifting 71
- Freewheeling 71
- Cooling Problems 72
- Annual Checks 73
- Daily Checks 73
- Winter Checks 73
- General Checks 73
- Walter V-Drives 75
- RV'IO 76
- ~/LOCKING 77
- "H" 78
- Maintenance 79
- I terminal on the 81
- + and - ground 82
- + 140 psi 86
- W 42B FOUR Engine) 87
- ADJUST VALVES 88
- ~'"'' 89
- 50-50 solution 91
- 38B, and page 19 for 91
- Batleries 93
- 4. Check the condition 94
- QapSQ[9W 95
- A Starter 97
- Weslerbeke Diesel Engines 100
- YOUR NOTES 104
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