Assembling Head "1" Timing Drive Assembly - APRILIA RSV mille 956X Service And Repair Manual

RSV mille
3.7.14 ASSEMBLING HEAD "1" TIMING DRIVE
ASSEMBLY
Carefully read 0.2.1 (PRECAUTIONS AND GENERAL
INFORMATIONS).
Unscrew the threaded bolt (1) for retaining the shaft at
TDC and turn the driving shaft (2) 300° anticlockwise
so that the connecting rod (3) of cylinder "1" is at TDC.
NOTE
Move the connecting rod (3) to a central position
so that it is not tilted in the casing.
Screw the threaded bolt (1) back on.
NOTE
Make sure the threaded bolt is inserted properly
in the driving shaft handwheel slot.
The threaded bolt (1) must not be overtightened: max. 5
Nm (0.5 kgm).
Where necessary, press hard to insert the two locating
dowels (4) in the casing.
NOTE
As of engine # 527 354, the locating dowels (4)
are no longer fitted; centring is achieved with the aid of
the bearing support flange (11).
Using an amount of grease, place the thrust washer (5)
on the intermediate timing gear (6).
Place the timing chain (7) around the intermediate tim-
ing gear (6), guiding both through the chain compart-
ment and seating them.
NOTE
Attach the timing chain (7) based on the refer-
ence mark applied during disassembly.
Guide the chain tightener shoe (8) though the chain
compartment and fasten it in the housing by means of
the spacer sleeve (9).
Oil the two roller bearings (10) and push them onto the
pin of the bearing support flange (11).
Insert the bearing support flange (11) push it on as far
as it will go, tapping it with a hammer.
NOTE
Coat the M6 T.C.E.I. screw (15) with a coat of
®
LOCTITE 243.
Insert the bearing flange (11) and fasten it with the two
M8 T.E. screws (12, 13), with the spring washers (14)
and with the M6 T.C.E.I. screw (15).
– one M8x20 T.E. screw (12).
– one M8x45 T.E. screw (13).
– one M6x20 T.C.E.I. screw (15).
Driving torque:
– M8 T.E. screws (12-13): 25 Nm (2.5 kgm);
– M6 T.C.E.I. screws (15): 11 Nm (1.1 kgm).
®
B = LOCTITE 243.
O =Motor oil.
N = Lubricating grease.
ENGINE
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