Thanks all for the responses. As I mentioned..it is a bad master cylinder. Figured that out because when I parked it the wheels wouldn't turn. Got up in the morning and they were free...indicating that the master cylinder backed down some overnight.
I am confident that Helmar has the cylinder...thanks again.
Ed
I think SMH has the parts most likely, as should a Clark dealer or Clark in Louisville Kentucky. you might try searching google for "Clark Material Handling", or ask the parts department at your local (**** near any brand) forklift dealer.
I am not clear on if "you have one wheel that turns" or not, but you should be able to feel some (+/- 1/16th of an inch 'jiggle') "free-play" in the linkage/actuator shaft -at- the master cylinder when the pedal is released. It is possible to have this shaft over adjusted and not have any relief/return of fluid from wheel cylinders to master cylinder reservoir. this has the effect of having free-play in the pedal linkage, but locked down brakes.
You might check and older parts store.I have located lots of master and wheel cylinders there.Also check e bay as they have some forklift parts floating there.Might get lucky.
The problem is the master cylinder..seals swelled up. Cylinder looks new..suspect the brake fluid was contaminated.
Where can I locate a rebuild kit?
Wagner Lockheed # FD 6656 (1" bore)
Ed
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