DISASSEMBLY
Pull off the water passage coupler mounted on the right side of the head and
remove the O-ring found under the coupler fitting (fig. 1).
Remove timing belt cover; loosen idle roller nut and position the idle roller in
such a way as to permit the belt to come off the two cam pulleys (fig. 2).
Loosen the cylinder head nuts gradually and uniformly. This operation must
be executed in a diagonal crossed sequence.
Remove the head by carefully lifting it from its cylinder. If necessary loosen
the head by hitting it with a plastic mallet (fig. 3).
Block the two camshaft pulleys with special tool 19.1.00504, then loosen the
pulley bolts. Remove bolts with its washers and pull off the pulleys (figs. 4-5).
Remove the cover plate of the rocker arm shaft retainer bushing (fig. 6).
Remove the cylinder head cover and remove the camshafts with their oil seals
(figs. 7-8)
Remove the valve lifter device (found on the left hand side of head, near the
exhaust valve) by extracting the retainer pin (fig. 9). The little shaft together
with the lifter may now be dismantled by hand.
Extract the retainer bushing and intake rocker arm shaft (use an 8mm bolt with
a 1.25 pitch) and remove the two rocker arms together with spacer washers
and spring. Repeat same procedure for the exhaust side (fig. 10).
Compress each valve spring with special tool 19.1.20519, by pressing on
spring retainer with enough pressure to remove the collets. Next, remove the
spring retainer and the two outer/inner springs (figs. 11-12).
Slide out the valve from the guide; remove the oil seal (found on the upper
part of the guide and spring seat). Repeat same procedure for the other
valves (fig. 13).
Loosen nut and remove the belt tensioner pulley and spring (fig. 14).
7 - 2,1
Summary of Contents for Nordwest
Page 1: ...WORKSHOP MANUAL NORDWEST Nordcape in Germany ...
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Page 56: ...CYLINDER PISTON 8 8 Diagram Disassembly Inspection Reassembly Section Page 8 1 8 2 8 2 8 2 ...
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