Fig. 14 Remove Shoe Return Spring

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL Fig. 14 Remove Shoe Return Spring Fig. 15 Rotate Lower Shoe Approximately 180° Fig. 16 Removing Retainer Springs Fig. 17 Removing Lower Shoe 9. Remove lock ring from end of camshaft. Note location of spacer washers for reassembly purposes. 10. Remove slack adjuster from camshaft. 11. Push or tap camshaft from spider and camshaft bracket. CLEANING AND INSPECTION Thoroughly clean all parts except drums and brake lining material in cleaning fluid and wipe dry. Grease and solvents which leave an oil residue will affect brake performance. CAUTION Because studies have indicated that exposure to excessive amounts of asbestos dust may be a potential health hazard, OSHA has set maximum limits of levels of airborne asbestos dust to which workers may be exposed. Since most automotive friction materials normally contain a sizable amount of asbestos, it is important that people who handle brake linings be aware of the problem and know the precautions to be taken. OSHA standards should be consulted with respect to mandatory requirements as well as for suggested procedures to minimize exposure. Drum, Shoe and Lining Refer to the service manual section pertaining to reconditioning drums and shoes. CTS-4080W - Page 11

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