Steering Wheel Bearing Pre-Load Information; Brake System - Yale A7S1 Service Manual

Brake System

of king pin are supported by needle roller bearings
pressed on the axle body. Oil seals are mounted on
the two ends of needle roller bearings, and oil cup is
fitted on the king pin.
Steering Wheel Bearing Pre-load
Information
1. Grease the hub, internal and external bearings
and the inner cavity of the hub cap and lip of oil
seal. See Figure 23.
2. Install the bearing outer ring onto the wheel hub,
and mount the wheel hub onto the shaft of
steering knuckle.
3. Mount the flat washer and tighten the slot nut.
Torque to 206-235 N•m (151.9-173.3 lbf ft).
4. Loosen the slot nut and then tighten the nut.
Torque to 9.8 N•m (7.2 lbf ft).
5. Tap the wheel hub gently using a hammer.
Manually turn the wheel hub 3-4 times to ensure
a steady rotation. Torque to
2.9-7.8 N•m (2.1-5.8 lbf ft).
6. When rotating torque is higher than the specified
value, loosen nut by 1/6 turn, then check torque
again.
7. Lock the slot nut using cotter pin, when specified
rotating torque is reached.
Type
Pedal Lever Ratio
Master Cylinder Diameter
Wheel Brake
Type
Wheel Cylinder Diameter
Size of Brake Shoe (L×W×T)
Area of Brake Shoe
Inner Diameter of Brake Drum
Parking Brake
26
1. SLOT NUT
2. GREASING LOCATION
Brake System
Front Twin Wheel Brake, Internal Expansion, Hydraulic
2-2.5T
Dual Servo Type with Parking Brake
324×60×7 mm (12.8×2.4×0.28 in.)
2
194.4 cm ×4
310 mm (12.2 in.)
Front Twin Wheel Brake, Internal Expansion, and Hydraulic Type
Figure 23. Adjustment for Pre-loading
5.66
19.05 mm (0.75 in.)
28.6 mm (1.1 in.)
348×76×8 mm (13.7×2.99×0.31 in.)
314 mm (12.4 in.)
8000 YRM 2199
3-3.5T
2
264 cm ×4