Isuzu N-Series. Service manual — part 486
Engine Mechanical (4HK1-TC) 6A-49
Tighten:
Bolts (1) to 96 N
⋅m (9.8 kg⋅m/71 lb⋅ft)
Bolts (2) to 77 N
⋅m (7.9 kg⋅m/57 lb⋅ft)
Bolts (3) to 38 N
⋅m (3.9 kg⋅m/28 lb⋅ft)
• Tighten up the Mark 3 from the cylinder block
side.
5. Install the power steering pump idle gear.
• Apply engine oil over the part where the gear of
the idle gear shaft is to be put together.
• Put the idle gear and the shaft together and
install it on the location given on the figure and
tighten up with the prescribed torque.
Tighten:
Bolts to 133 N
⋅m (13.6 kg⋅m/98 lb⋅ft)
N6A6070E
N6A6071E
6A-50 Engine Mechanical (4HK1-TC)
6. Install the power steering pump idle gear cover.
• Install the O-ring on the cover and install it on
the flywheel housing and tighten up the
tightening bolts with the prescribed torque.
Tighten:
Bolts to 19 N
⋅m (1.9 kg⋅m/14 lb⋅ft)
7. Install the power steering pump.
• Install the power steering pump and tighten up
with the prescribed torque.
Tighten:
Fixing bolts to
Flywheel housing side (1): 43 N
⋅m (4.4 kg⋅m/32 lb⋅ft)
Cylinder block side (2): 44 N
⋅m (4.5 kg⋅m/32 lb⋅ft)
Without HBB
With HBB
Legend
1. Flywheel Housing Fixing Bolt
2. Cylinder Block Fixing Bolt
8. Install the oil pan
• Apply the liquid gasket (ThreeBond1207C or
equivalent) on a joint between the cylinder
block, the front cover and the flywheel housing
with a beat diameter of 3 mm (0.1 in).
N6A6072E
N6A6073E
N6A0775E
N6A6074E
Engine Mechanical (4HK1-TC) 6A-51
• Install the oil pan within 7 minutes after applying
the liquid gasket.
• With the flywheel housing, the front cover and
the stud of the crankcase as a guide, put
together the gasket and put the oil pan on it.
Then, put the rubber assembly on the oil pan
and fix it by fastening bolts and nuts.
Legend
1. Rubber Assembly
2. Oil Pan
3. Gasket
• After fastening the oil pan at the respective
points of (1), (2), (3), and (4), fasten other parts.
Tighten:
Bolts and nuts to 11 N
⋅m (1.1 kg⋅m/95 lb⋅in)
9. Install the rear slinger and the oil seal.
Refer to “Crankshaft Rear Oil Seal”.
10. Install the flywheel.
• Along with the knock pin of the crankshaft,
install the flywheel and tighten up with the
prescribed torque according to the order given
on the figure.
Tighten:
Bolts to
1st step: 78 N
⋅m (8.0 kg⋅m/57 lb⋅ft)
2nd step: 120
° – 150° (degrees)
N6A6075E
N6A6076E
N6A6077E
N6A6078E
6A-52 Engine Mechanical (4HK1-TC)
11. Turn the crankshaft in the normal direction of
engine rotation until the No. 1 or No. 4 cylinder is
at TDC on the compression stroke.
Refer to illustration.
Notice:
There are 2 timing marks on the crankshaft pulley.
Mark (1) is near the front cover and is used to bring the
4HK1-TC engine to TDC.
Mark (2) is not applicable to this engine.
Be sure to use mark (1) when bringing the engine to
TDC.
12. Remove the oil drain adapter.
13. Install the O-ring on the fuel supply pump.
14. Align the slits as shown in the illustration.
15. Insert the stud bolts into the guides and
temporarily tighten them.
Caution:
• If the stud bolts (cylinder block side) have been
loosened or replaced, apply Loctite No. 262 to the
recessed portion of the bolts.
• Check if the meeting mark of the gear painted white
is at the location given on the figure when viewed
from the plug hole and tighten up with the
prescribed torque.
Tighten:
Nut to 50 N
⋅m (5.1 kg⋅m/36 lb⋅ft)
Bolt to 76 N
⋅m (7.7 kg⋅m/56 lb⋅ft)
• If the location of the teeth of the painted gear is not
in the right place, put it together all over again.
Legend
1. Plug Hole
2. Meeting Mark
16. Install the adapter assembly: oil drain on the plug
hole and tighten up with the prescribed torque.
N6A6003E
N6A6002E
N6A6079E
N6A6080E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст