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4
GENERAL SPECIFICATIONS
Timing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . overhead valves operated by tappets, rods
Inlet:
--
start: before TDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
end: after BDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust:
--
start: before BDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
end: after TDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
valve--rocker arm clearance for timing check . . . . . . . . . . . . . . .
valve--rocker arm clearance (with engine cold):
--
intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For further timing system technical data . . . . . . . . . . . . . . . . . . .
Fuel system
Air cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . through wire filter in fuel supply pump, and
Minimum fuel flow rate with pump shaft rotating at 1600 rpm .
Cam operated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BOSCH injection pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All--speed governor, incorporated in pump:
BOSCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic advance regulator, incorporated in pump:
BOSCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For further fuel system technical data:
Fixed advance (pump setting for start of delivery before TDC)
-- Pressure setting -- Injection order, and other information
regarding the BOSCH pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
603.54.381.00 - - 05 - - 2001
SECTION 10 - - ENGINE - - CHAPTER 1
3 cylinders
and rocker arms via the camshaft located
in the engine block; the camshaft is driven
by the crankshaft using helical gears
o
12
o
31
o
50
o
16
0.45 mm (0.248 in.)
0.30 ± 0.05 mm (0.1654 ± 0.0276 in.)
0.30 ± 0.05 mm (0.1654 ± 0.0276 in.)
See page 20
dual cartridge dry air filter, with clogged
filter indicator with centrifugal pre--filter
and automatic dust ejector
double diaphragm
replaceable cartridge on delivery line to
injection pump
100 litres/hour (22 gal./hour)
engine timing
rotating distributor type
centrifugal counterweights
hydraulic
refer to the data for the relevant engine
type in the table on page 2
(continued)
4 cylinders
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