Santana PS-10 Service Manual page 339

6A-128 ENGINE REPAIR
5
A
9
3
7
A
8 4
A. Timing side
SCHEME OF THE TIGHTENING SEQUENCE FOR
FIXING SCREWS OF LOWER BLOCK
6
7
6
8
10
2
6
B
1
5
9
B. Flywheel side.
• Install the lower half bearings of main bearing (7), (half
bearings without greasing hole) on lower block (5) and
gaskets (6).
• Install lower block on upper block doing the coincidence of
reference marks (8).
• Fix lower and upper blocks with screws (9). Apply to them
the specified tightening torque going through the two steps
decribed herein:
Tightening torque for screws fixing lower block:
• 1 st Step: with dynamometric key (A):
5 ± 0,5 Kg-m (50 ± 5 Nm)
• 2 Step: angular tightening:
nd
90° ± 5° following the sequence described herewith.