Strippit Workclamps
H Machine Hydraulics
H machines a few variations of hydraulic systems. Most common was referred to as the HI-LO system produced by Ralph Earl company in Syracuse NY.
Industrial Clutch and Brake produced the early single pressure system
Thesse systems are known to have problems with ram positioning repeatability, and parts availability
The control unit, referred to as the RCM ( Ram Control Module ) coupled to a MOOG servo valve is the heart of the system. Availability of replacement units are expensive, and hard to find.
Strippit Ram Seal Replacement
Click Here for procedure to replace Ram Seal on Mechanical Press Drives
Troubleshooting H&L Hydraulic systems
Lubrication
Click here for lubrication instructions
Knuth Fiber Laser Preinstall