4-25. WHEEL CYLINDER REPLACEMENT (Cont).
b. CLEANING AND INSPECTION
Dry cleaning solvent, P-D-680, is toxic and flammable Always wear goggles and gloves
and use solvent only in a well-ventilated area. Avoid contact with skin, eyes, and clothes,
and DO NOT breathe vapors. DO NOT use near open flame or excessive heat. The
solvent's flash point is 100 °F to 138 °F (38 °C to 59 °C). If you become dizzy while using
cleaning solvent, immediately get fresh air and medical help. If solvent contacts eyes,
immediately wash your eyes and get medical aid.
Clean all removed components except wheel cylinder with dry cleaning solvent and allow to dry.
Inspect components for cracks, breaks, corrosion, or damaged threads Replace if damaged.
Remove temporary plug from flex brake line (1).
Connect flex brake line (1) to wheel cylinder (2) and tighten flare brake line fitting.
Install push rod (7) in brakeshoe (4) and wheel cylinder (6) onto backing plate (8).
For ease of installation, install the rear capscrew first.
Install two capscrews (5) and tighten finger tight. Torque capscrews (5) to 168 + 17 lb-m. (226 Nom).
Install washer (11) to backing plate anchor pin (3).
Install rear shoe spring (10) to rear brakeshoe (12) and backing plate anchor pin (3).
Install front shoe spring (9) to front brakeshoe (4) and backing plate anchor pin (3).
Install hub/drum (para 4-33).
Install wheel and tire assembly (para 4-32).
Bleed hydraulic system (para 4-26)
Adjust service brakes (para 4-23).