Assemble, Wheel Brake - Yale A7S1 Service Manual

Brake System
Forklift Truck Tonnage
Free Length
Installation Length
Installation Load
Figure 32. Load return spring for top rod
8. Measure the free length and installation load of
adjuster spring. See Figure 33.
Forklift Truck
Tonnage
Free Length 86 mm (3.39 in.)
Installation
97 mm (3.82 in.)
Length
Installation Load 152 N (34.17 lb) 71.5 N (16.1 lb)
Figure 33. Adjusting spring
9. Measure free length and installation load of
ratchet spring (see Figure 34). Installation Load:
14.7N (3-3.5t)
36
2-3.5T
124.5 mm (4.90 in.)
130 mm (5.12 in.)
246 N (55.3 lb)
2-2.5T 3-3.5T
121 mm
(4.76 in.)
137 mm
(5.39 in.)
Figure 34. Ratchet spring
10. Check the adjusting spring for damage and
confirm the adjusting lever is functioning properly.
Replace if necessary.

Assemble, Wheel Brake

1. Coat the wheel cylinder rubber cup and piston
with brake fluid.
2. Assemble the spring, rubber cup, piston, and
shield.
3. Mount the wheel cylinder on bottom plate.
NOTE: Confirm that all parts are in correct position
during installation and bolts are torque to
14.7-19.6 N•m (10.84-14.46 lbf) for 2-2.5T and
17.6-26.5 N•m (12.98-19.55 lbf ft) for 3-3.5T.
4. Mount the bottom plate onto the front axle. Torque
to:120-140 N•m (88.50-103.26 lbf).
5. Add lubricating grease at items 1, 2, 4 and 5 on
Figure 35. Be careful not to allow this grease to
adhere to brake shoes.
8000 YRM 2199