Section VI. CRUSHER UNIT ASSEMBLY
153. General
The crusher assembly consists of a movable jaw and a stationary jaw made to crush aggregate any size from 11/2
inches to 5 inches. The crusher is driven by belts from the diesel engine drive sheave to the crusher grooved balance
wheel.
154. Drive Belt Guard Assembly
a. Removal. Remove the drive belt guard as instructed on figure 82.
b. Cleaning and Inspection. Clean and inspect all parts. Replace all damaged or defective parts.
c. Installation. Install the drive belt guard assembly in reverse of instructions on figure 82.
155. Drive Belts
a. Adjustment.
(1) Remove the outer belt guard (par. 154).
(2) Adjust the drive belt as instructed on figure 83.
(3) Install the outer drive belt guard (par. 154).
b. Removal.
(1) Remove the outer belt guard (par. 154).
(2) Loosen drive belt tension as instructed on figure 83 and remove drive belts.
c. Cleaning and Inspection. Clean and inspect drive belts. Replace belts as a set if any are damaged or defective.
d. Installation.
(1) Install the drive belts and adjust the tension in reverse of instructions on figure 83.
(2) Install the outer drive belt guard (par. 154).
156. Tension Spring
a. Removal. Remove-the tension spring as instructed on figure 84.
b. Cleaning and Inspection. Clean and inspect all parts. Replace all damaged parts.
c. Installation. Install the tension spring in reverse of instructions on figure 84.
d. Adjustment. For adjustment of the tension spring, refer to TM 5-3820-205-10/2.
AGO 8156A
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