Case HI JX80 - Engine Timing and Fuel System Specifications

4
SECTION 10 -- ENGINE -- CHAPTER 1
6-62720 -- 09 -- 2006
(continued)
GENERAL SPECIFICATIONS 3 cylinders 4 cylinders
Timing ............................................... overhead valves operated by a camshaft
located in the engine block through
tappets, pushrods and rockers.
Camshaft is driven by the crankshaft
through helical gears.
Intake:
-- start:beforeT.D.C .................................... 12°
-- end: after B.D.C ...................................... 31°
Exhaust:
-- start:beforeB.D.C ................................... 50°
-- end: after T.D.C ...................................... 16°
Valveclearancefortimingcheck.......................... 0.45 mm (0.0177 in.)
Valve clearance for normal running (engine cold):
-- intake...............................................
0.30  0.05 mm (0.0118  0.0020 in.)
-- exhaust .............................................
0.30  0.05 mm (0.0118  0.0020 in.)
Forfurthertimingdata .................................. See page 20
Fuel System
Air cleaning ............................................ dual cartridge dry air filter , with clogged
filter indicator with centrifugal pre--filter
and automatic dust ejector.
Fuelpump............................................. with double diaphragm
Fuelfilter .............................................. mesh filter in fuel supply pump, and
replaceable cartridge on delivery line to
injection pump.
Minimum fuel flow rate with pump shaft rotating at 1600 rev/min. 100 litres/hour
Operatedbyeccentriccam .............................. on camshaft
BOSCHInjectionpump ................................. rotary distributor type
All--speed governor, incorporated in pump: BOSCH centrifugal counterweights
Automatic advance regulator, incorporated in pump: BOSCH hydraulic
For further fuel system data: see pages 5 to 15
For 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 tables from page 6 to page
14.