ENGINE REPAIR 6A-27
4) Tighten to the specified torque screws or nuts (11), (7) and
(8) which anchor the generator, the support and tensioning
block.
Tightening torque's:
• Screws or nuts (11) and (7):
5 Kg-m (50 Nm)
• Screw (8):
4,5 Kg-m (45 Nm)
5) Continue the installation reverse removal precedures; apply
to the fun the specified tightening torque.
Tightening torque for fan screws: 0,6 Kg-m (6 Nm)
7
11
8
Driving belt of Air Conditioning compressor (if
any) substitution
1) Remove generator driving belt and water pump (see 6A-26).
2) Loose by one turn the screws or nuts (12), (13) and (15) to
liberate the compressor (14) and tensioning adjustment fixing
lever (17).
3) Rotate the compressor towards the engine and withdraw
belt (16).
12
13
14
15
16
17
B
Installation
1) Install the new belt (16), ensuring the correct coupling in the
pulleys.
2) Tension slightly the belt rotating the compressor towards
outside, get tighter screws and nuts previously loosened;
turn crankshaft by one turn and check the coupling of belt.
3) Apply the specified tension to the belt and measure on point
(B) (centre of stretch), using frequency meter ref.
00000A01484.
Frequency reading for compressor belt tension:
160 ± 10 Hz
4) Tighten to specified torque nuts (12) and (13) and the screw
or nut (15).
Tightening torques:
• Nut (12) connecting tensioning adjustment fixing lever
to block: 4,5 Kg-m (45 Nm)
• Nut (13) connecting compressor to tensioning
adjustment fixing lever: 3,5 Kg-m (35 Nm)
• Screw or nut (15) connecting compressor support to
block: 4,5 Kg-m (45 Nm)
5) Continue installation reverse removal procedures; apply
specified tightening torque as indicated in complementary
tasks.
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