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