Valeo TM08, Service Manual

Page: 48 / 56

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8- Services procedures - Cylinder heads
Front cylinder head
1. Place the cylinder shaft assembly on the
bench with the front side up.
2. Install the front suction valve so that it matches
the spring pins.
3. Install the front valve plate on the front suction
valve.
4. Coat the new gasket with clean compressor oil
and install it on the front valve plate.
5. Position the guide (597067-1102) on the
shaft.
6. Coat the new O-ring with clean compressor oil
and install it on the front cylinder head.
7. Install the front cylinder head.
8. Mount the new gaskets on the through-bolts.
Insert the six through-bolts from the front
cylinder head side and tighten them to the
specified torque. Each bolt should be gradually
tightened in three or more stages to ensure
the specified torque.
The bolts should be tightened in the order
shown on the left-hand figure.
Specified torque: 16.7 ~ 20.7 N·m
{1.7 ~ 2.1 kgf·m, 12.3 ~ 15.3 lbf·ft}
9. Install the oil drain plug with a new O-ring,
thinly coated with clean compressor oil, and
tighten it to the specified torque.
Specified torque: 13 ~ 15 N·m
{1.3 ~ 1.5 kgf·m, 9.4 ~ 10.8 lbf·ft}
10. Fill the compressor with the specified
amount of clean compressor oil through the
suction-side connector.
11. Install the magnetic cluch (p.38)
12. Run-in compressor (p.24)
13. Carry out the leak test (p.25)
Ensure each valve matches each cylin-
der’s valve escape groove.
CAUTION!
Align the roll pins and tap the head light-
ly and evenly with a plastic hammer.
CAUTION!
Front cylinder head
O-ring
Gasket
Valve plate
Suction valve
Oil drain plug
O-ring