Farmall 90 Manual page 5

GENERAL SPECIFICATIONS (continued)
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator on Models Farmall 90, Farmall 95 . . . . . . . . . . . . . . . .
Fan, attached to the pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine speed/coolant pump speed ratio . . . . . . . . . . . . . . . . . . .
Coolant thermometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature ranges corresponding to each section:
-- Initial blue section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- Middle green section (normal working conditions) . . . . . . . . .
-- Final red section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- initial opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . overhead valves operated by tappets, rods
Intake:
-- start: before T.D.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- end: after B.D.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust:
-- start: before B.D.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- end: after B.D.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 1800 rpm . .
Cam operated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BOSCH injection pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 10 - - ENGINE - - CHAPTER 1
4 Cylinders
coolant circulation
4 lines of vertical pipes with copper fins
intake, in plastic with 11 blades
centrifugal vane--type
1:1.977
colored scale divided into 3 sections
40° to 60 °C (104 to 140 °F)
60° to 110 °C (140 to 230 °F)
110° to 120 °C (230 to 248 °F)
via thermostat valve
81 ± 2 °C (177.0 ± 35.6 °F)
and rocker arms via the camshaft located
in the engine block; the camshaft is driven
by the crankshaft using straight--tooth
gears
10° ± 30'
10° ± 30'
64°
26°
0.25 ± 0.05 mm (0.0098 ± 0.002 in)
0.50 ± 0.05 mm (0.0197 ± 0.002 in)
see page 9
dual cartridge dry air filter, with clogged
filter indicator with centrifugal pre--filter and
automatic dust ejector
with double diaphragm
replaceable cartridge on delivery line to
injection pump
127.6 l/h (33.7 gal/hr)
engine timing
rotating distributor type
5