Robin EH41D - Page 40

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(4) Valve guides should be replaced when valve stem clearance exceeds specifications (See “SERVICE
DATA”).
Draw valve guides out and press new guides in.
Refer to “SERVICE DATA” for clearance specifications.
After replacing valves and guides, lap valves in place until a uniform ring shows around the face of
the valve. Clean valves and wash cylinder head thoroughly.
(5) Install cylinder head to cylinder with new head gasket.
Tighten four flange bolts evenly in three steps by the following tightening torque:
Cylinder head M10 x 65 mm bolt : 4 pcs.
5-4-9 ROCKER ARMS AND PUSH RODS
(1) Insert push rods into crankcase. Put push rod tip in the hollow of tappet top.
(2) Apply oil to rocker arms and assemble them to cylinder head using pivot and nut.
GUIDE PLATE
ROCKER ARM
PUSH ROD CP
BOLT (PIVOT)
: 2 pcs.
PIVOT: 2 pcs.
M6 NUT: 2 pcs.
Fig. 5-36
Tightening torque
1ststep 2 nd step Final Step
9.8 N
・ m
(100 kgf ・ cm)
(7.2 ft ・ lb.)
19.6 N ・ m
(200 kgf ・ cm)
(14.5 ft ・ lb.)
33.3-41.2 N ・ m
(340-420 kgf ・ cm)
(24.6-30.4 ft ・ lb.)