Specification
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MODEL
Volvo F88 loft Bin. wheelbase four-wheel forwardcontrol tractive unit with standard all steel tilt cab and Hands ISO 30ft flat carrier with demountable tandem axle running gear.
MAKERS
AB Volvo, Gothenburg Sweden iconcessionaires. Ails Trucks Ltd., Barrhead. Glasgow! and Hands Irailers Ltd., Letchworth, Herts.
ENGINE
Volvo TD 100 A turbocharged six-cylinder direct injection diesel engine; bore 120.65mm (4.75in.,1; stroke 140.0mm (5.51in.); piston swept volume 9 6 litres (685 cu.in.}: compression ratio, 15 to 1: maximum net output (DIN) 260 bhp at 2,400 mm maximum net torque (DIN} 694 lb ft at 1.400 rpm.
SETTINGS
10., 9deg 8,T I:LC,: I C., 23deg A.B.D.C.: EQ., 55 deg B.B.D.C.: E.0 7cleg A.T.D.0 Injection. 24deg B.T.D.C. valve clearances, inlet, 0 016in., exhaust. 0.028n.: firing order, 1 5.3,6 2 4,
TRANSMISSION
Through 16.5in. single-dry-plate clutch to Volvo 860 eight-speed synchromesh gearbox, thence by one-piece propeller shaft to Volvo fully-floating hypoid-bevel-and-helical double-reduction rear axle.
GEAR RATIOS
10.6, 7.4, 5.2, 3.93, 2.7, 1.89, 1.32 and 1 to 1 forward: reverse 8.8 to 1: rear axle ratio 4 9 to 1
BRAKE SYSTEM
Tractive unit: Westinghouse dual-circuit air pressure system with cam-operated leading-and-trailing shoe units at all wheels. Brake actuation by doublediaphragm chambers at front axle and Maxibrake spring-diaphragm actuators at driving axle Secondary sections of front-axle diaphragms pressurized with -auxiliary" line to semi trailer by hand reaction valve in cab for secondary system and pressure behind springs in rear-axle actuators destroyed by second hand valve in cab for parking brake.
Semi-trailer: Three-line air pressure system witn cam-operated leading and -trailing shoe units at both axles. Triple-diaphragm actuators cater for main and secondary brake system at both axles and screw• type parking brake linked to first axle of bogie only.
BRAKE DIMENSIONS
Diameter of drums, tractive unit front, 16.25in., tractive unit rear 15.5in., semi-trailer. 16.5in.: width of linings, tractive unit front, 5.0in., tractive unit rear, 7.0ir., semi-trailer, 7.0in.; tractive unit frictional area, 727 sq.in., semi-trailer frictional area. 840 sq.in., total frictional area, 1,567 sq.in., that is 51.1 sq, in. pe:ton gross weight as tested,
FRAME
Tractive unit: Pressed-steel channel section with cross-members 'iveted in position.
Semi-trailer: I-beam main members with pressedsteel cross-members welded in position. Demountable running gear carried or fabricated sub-frame.
Volvo F83/Hands 30on-gross attic STEERING
ZF recirculating ball with integral hydraulic power assistedsteering.
SUSPENSION
Tractive unit: Semi.elliptic springs with tele scopic dampers at front axle and helper spring; at the rear axle.
Semi-trailer: Neways system with leaf springs a' the forward axle with the rearmost axle carriK at the ends of the pivoted beams linked tothe for ward-axle springs.
ELECTRICAL
24V compensated-voltage-con ol system, with 133Ah. batteries.
TANK CAPACITY
40gal.