Technical Information 9-15
PA-1628Operator's ManualH3-45 COACH
CAUTION
Even with ESC- equipped vehicles, the driver
remains responsible for ensuring vehicle stability
during operation.
DANGER
ESC may reduce the vehicle speed automatically.
ESC can make the vehicle decelerate
automatically. ESC can slow the vehicle with or
without the operator applying the brake, and even
when the throttle is being applied
STEERING
ZF 8098 integral hydraulic assisted steering gear
l ZF hydraulic pump gear driven from engine .
l
ZF Servocomtronic variable ratio and variable
assistance in function of vehicle speed
available.
l Hydraulic reservoir and dipstick accessible
from engine compartment.
l System pressure: 2175 psi (150 bars).
l Steering wheel diameter 18". Tilt steering
wheel and telescopic steering column;
pneumatically locked with foot- operated
switch for adjustment.
l Number of turns: 5¾.
l Outside turning radius: see Dimensions and
Weight table.
ELECTRICAL SYSTEM
l 24-volt, negative ground;
l 12-volt exterior lighting;
l Three 24 volts, 150 amp, self-regulated, belt-
driven, air-cooled HD 10 Bosch alternators;
l Four 12 Volts, group 31 AGM type batteries
connected in series/parallel. Each one has a
reserve capacity of 200 minutes and a cold
cranking capacity of 800 amps.
l 100 amp battery equalizer.
AXLES
I-BEAM FRONT AXLE
l Dana Spicer model S84U with forged “I” beam
l Reverse Elliot type
l Unitized wheel bearings (maintenance free)
l Factory pre-adjusted caster
DRIVE AXLE
l Meritor model RC23-165 full banjo type dual
tire drive
l Meritor RC23- 165 ratio: 4.30 standard for
optimized fuel economy at 65 mph. 3.42, 4.10
option with Allison B500
l Oil lubricated wheel bearings on Meritor
RC23-165
l Factory pre-adjusted caster
TAG AXLE
l Prevost hollow square beam
l FAG Unitized wheel bearings (maintenance
free)
l Tag axle may be lifted to provide better
traction in snow, mud and reduce the turning
radius and tire scrub at low cornering speed
SUSPENSION
Goodyear rolling lobe type air springs (bellows) are
used throughout.
I-BEAM AXLE FRONT SUSPENSION
2 Bellows;
2 Shock absorbers;
4 Radius rods;
1 Transverse radius rod;
1 Height control valve;
1 sway bar;
DRIVE AXLE (ALL)
4 Bellows;
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