Volvo 780 Owner's Manual page 106

1987 Volvo 780
Cooling system
Type
Thermostat begins to open
at
Coolant:
Capacity:
Ignition system
Firing order
Ignition setting (cannot be
adjusted)
Spark plugs*
Spark plug gap
Tightening torque
* Must not be removed when the engine is hot
** Bosch HR6DC (or equivalent)
pg. 108 Specifications
Electrical system
12 V, negative ground.
Voltage-controlled alternator. Single-wire system with chassis and engine used as conductors.
Voltage
Battery, type
Capacity
Electrolyte, specific gravity 1.28
Recharge at
Alternator, rated output
max. current
The following bulbs may be obtained from your nearest Volvo dealer
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Positive pressure, Closed system
189°F (87°C)
Volvo coolant type C (blue-green)
10 US qts (9.5 liters)
1-6-3-5-2-4
16°B.T.D.C. at 12.5 rps (750 rpm)
Volvo P/N 273599-1**
0.024-0.028" (0.6-0.7 mm)
9 ft. lbs. (12 Nm)
12V
Maintenance free
66 Ah
1.23
1400 W
100 A