TRUCK SERVICE MANUAL
ROCKER HOUSING COVER
There are two types of rocker lever housing covers; plain and
breather type. One plain cover has "Injector Adjustment
Procedure" decal attached.
1. Remove all gasket material from sealing edge of
cover. Inspect for cracks, dents and distorted sealing area;
discard unserviceable parts. Inspect for cracks around all
capscrew holes and breather port area.
2. If Injector Adjustment Procedure decal is not intact
and legible after cleaning cover, replace with new Part No.
213214 decal. See Injector and Valve Adjustment using ST-
1170 Dial Indicator Method, Group 14.
It a new breather-type cover is used, press in new breather
neck, install new or reconditioned breather body (breather
must be pressed in straight). After installation of breather
body, or breather neck, check closely for cracks around