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Magnetek MST E 6.7.(a):, 6.7.(b):, 6.7.(c):, 6.7.(d):, 6.6.(g).(i):, 6.7.(d).(i):, 6.7.(d).(ii):, 6.7.(d).(iii):

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(AE) ARM SIDE

CASTLE NUT SIDE

6.6.(g).(i): Install a castle nut, tighten nut until the flat washer is FLUSH with the side of the Automatic Equalization arm. Loosen or tighten the nut no more than 1/8 of a turn, only enough to align the nearest cotter pin slot and hole. Install the cotter pin. This completes the assembly.

6.7: Shoe Clearance Adjustment

6.7.(a): The total available shoe clearance is determined by the active stroke of the actuator and the brake lever ratio. Distribution of the resulting clearance is determined by the setting of the active shoe clearance equalizing bolt (Fig. 2).

6.7.(b): Generally only one of the two equalizing bolts will be effective depending on the lever ratio arrangement and subject to the brake being installed horizontally or vertically.

6.7.(c): The “active” equalizing bolt will be evident after energizing the actuator.

6.7.(d): To equalize the brake shoe running clearance:

6.7.(d).(i): Back-off both equalizing bolts and energize the actuator allowing the shoes to move away from the wheel.

6.7.(d).(ii): Adjust the active side equalizing bolt to limit the travel of that shoe; this moves the other shoe away from the wheel. Continue adjustment until wheel clearance is equal for both shoes.

6.7.(d).(iii): Set the non-active side equalizing bolt so that shoe travel is not restricted; lock both equalizing bolts with jam-nuts.

8/17/2006	Page 19 of 33	MST/E Electric Shoe Brakes Manual
		560022-R6

Contents

Page Page Table of Contents Chapter 5: INSTALLATION – Warnings and Cautions Chapter 6: ADJUSTMENT – Warnings and Cautions Chapter 7: ELECTRICAL DETAIL – Warnings and Cautions Chapter 8: OPERATIONAL TEST – Warnings and Cautions Chapter 9: MAINTENANCE AND REPAIR – Warnings and Cautions Chapter 2.0: General Description Page Figure 1a With Automatic-Adjustmentand Automatic-Equalization Chapter 3.0: Application Chapter 4.0: Description of Operation 4.3.(a): 4.3.(b): 4.3.(c): 4.12.(a): 4.12.(b): 4.12.(c): 4.12.(d): 4.12.(e): 4.13.(a): MST/E Brake Shown With Typical Brake Release Lever Without Automatic Adjustment and Automatic Equalization Figure 2A With Automatic Adjustment and Automatic Equalization Chapter 5.0: Installation 5.2.(a): 5.2.(b): 5.2.(c): 5.2.(d): 5.9.(a): 5.9.(b): 5.9.(c): 5.9.(d): Chapter 6.0: Adjustment Table 6.3.(a): 6.3.(b): Brakes without Automatic Adjustment: 6.3.(b).(i): 6.4.(a): 6.4.(b): 6.4.(c): Brakes without Automatic Adjustment: 6.4.(d): 6.4.(e): Brakes with Automatic Adjustment: 6.5.(a).(iii): 6.5.(a).(iv): 6.5.(a).(v): 6.5.(b): 6.6.(a): 6.6.(g).(i): 6.7.(a): 6.7.(b): 6.7.(c): 6.7.(d): 6.8.(a): 6.8.(b): 6.8.(c): 6.8.(d): 6.8.(d).(i): Page Figure 3A Type AE Automatic Equalization Mechanism Assembly Chapter 7.0: Electrical Detail Electrical Connections Chapter 8.0: Operational Test 8.13.(a): 8.13.(a).(i): 8.13.(a).(ii): 8.13.(b): 8.13.(c): 8.13.(d): MST/E Chapter 9.0: Maintenance and Repair 9.1.(a): 9.1.(a).(i): 9.1.(a).(ii): 9.1.(a).(iii): Brake Shoe Removal 9.1.(a).(xii): 9.1.(a).(xiii): 9.1.(b): 9.1.(c): Figure 6: Actuator Removal and/or Replacement 9.2.(f): 9.2.(g): 9.2.(h): 9.2.(i): 9.3.(a): 9.5.(g): 9.5.(h): 9.5.(i): 9.5.(j): 9.5.(k): 9.8.(d): DO NOT OVER-FILL 9.8.(e): Table 3: Recommended Hydraulic Fluids Chapter 10.0: Replacement Parts 10.1.(a): 10.5.(a): 10.5.(b): 10.5.(c): Chapter 11.0: Long Term Storage 11.4.(a):