47576
47571
47570
By means of proper and splined wrenches, untighten the
screws (1) and (2) and remove the under-block (3).
Remove the crankshaft (2) with tool 99360500 (1).
Remove the crankshaft half-bearings (1), untighten the
screws and remove oil spray nozzles (2).
Take down cylinder liners as specified in the relative
paragraph on page 16.
After disassembling the engine, thoroughly clean
disassembled parts and check their integrity.
Instructions for main checks and measures are
given in the following pages, in order to determine
whether the parts can be re-used.
Untighten screws (2) fixing the connecting rod cap (3) and
remove it. Remove the connecting rod-piston assembly from
the upper side. Repeat these operations for the other pistons.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Rotate the block (1) to the vertical position.
47575
47574
ENGINE OVERHAUL
ENGINE REMOVAL AT THE BENCH
The
following
instructions
are
prescribed
on
the
understanding that the engine has previously been placed on
the rotating bench and that removal of all specific
components of the equipment have been already removed
as well. (See Section 3 of the manual herein).
The section illustrates therefore all the most important
engine overhaul procedures.
NOTE
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
13