VALVE BRIDGES MAINTENANCE - CONTINUED
Use vise jaw caps to position intake valve bridge assembly in vise.
Hold screw (4).
Loosen nut (3).
Remove nut (3) and screw (4).
Remove wear seat (5) and intake bridge (6).
Use vise jaw caps to position exhaust valve bridge
assembly in vise.
Hold screw (8).
Loosen nut (1).
Remove nut (1) and screw (8).
Remove wear seat (2) and exhaust bridge (7).
CLEANING AND INSPECTION
Solvent cleaning compound MIL-PRF-680 Type III is an environmentally compliant and low toxic
material. However, it may be irritating to the eyes and skin. Use protective gloves and goggles. Use in
well-ventilated areas. Keep away from open flames and other sources of ignition.
Particles blown by compressed air are hazardous. DO NOT exceed 15 psi (103 kPa) nozzle pressure
when drying parts with compressed air. Use a maximum of 30 psi (207 kPa) when cleaning compo-
nents. DO NOT direct compressed air against human skin. Failure to follow this warning may cause
injury or death. Make sure air stream is directed away from user and other personnel in the area. To pre-
vent injury, user must wear protective goggles or face shield.
Clean all parts with solvent cleaning compound.
Dry all parts with compressed air.
Inspect all parts for damage and replace as necessary.
Use vise jaw caps to position exhaust bridge (7) in vise.
Install wear seat (2). Use hammer to evenly tap wear seat (2) into top, center hole of exhaust bridge (7).
Install screw (8) and nut (1) loosely.
Use vise jaw caps to position intake bridge (6) in vise.
Install wear seat (5). Use hammer to evenly tap wear seat (5) into top, center hole of intake bridge (6).
Install screw (4) and nut (3) loosely.