SELVA MARINE Kingfish 25, Руководство по обслуживанию

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7-60
7
2. Measure the crankshaft runout.
Checking the crankpin oil clearance
1. Clean the crankpin bearings, connecting
rod, connecting rod cap, and crankpin.
2. Install the crankpin bearings 1 into the
connecting rod
a
and connecting rod
cap
b
.
TIP:
• Install the crankpin bearings in the original
positions.
• Fit the protrusions
c
on the crankpin bear-
ings into the slots
d
in the connecting rod
a
and connecting rod cap
b
.
3. Place a piece of Plastigauge (PG-1) onto
the crankpin
e
, parallel to the crank-
shaft.
TIP:
Do not place the Plastigauge (PG-1) over the
oil hole in the crankpin of the crankshaft.
4. Install the connecting rod
a
and con-
necting rod cap
b
onto the crankpin
e
,
and then tighten the connecting rod bolts
2 to the specified torques in 2 stages.
Crankshaft journal diameter
a
:
42.986–43.000 mm (1.6924–1.6929 in)
Crankpin diameter
b
:
32.993–33.000 mm (1.2989–1.2992 in)
Crankpin width
c
:
21.000–21.070 mm (0.8268–0.8295 in)
Crankshaft runout: 0.035 mm (0.0014 in)
1
1
d
a
b
d
c
Connecting rod bolt 2 :
1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)
2nd: 17 N·m (1.7 kgf·m, 12.5 ft·lb)
e
E
2
f
a
b
e
Cylinder block