To prevent rolling or sliding, do not work on equipment that is not
Ensure both wheels are secure.
Failure to obey this
warning may result in serious personal injury.
Bolt securing coupling half is longer and has a washer and lockwasher.
Remove eight nuts (figure 4-51, 1), lockwashers (2), one washer (3) and eight
bolts (4) securing coupling half (5) to gate valve (6).
Remove coupling half (5).
Remove and discard gasket (7).
Install new gasket (7) on gate valve (6).
Position coupling half (5) against gate valve (6) and align mounting holes.
Insert eight bolts (4) through holes in gate valve (6) and coupling half (5).
Install one washer (3), eight new lockwashers (2) and nuts (1).