Mec Speed Level Series User Manual

Page 40 Speed Level Series - Service & Parts Manual
January 2019Section 5 - Hydraulic System
General Cylinder Repair
CYLINDERS ARE HEAVY. SUPPORT CYLINDERS BEFORE REMOVING
HARDWARE THAT SECURES THE CYLINDER TO THE MACHINE.
ART_2040
Pressure
and
Return
Piston
Seals
Seals
Rod
Seals
Typical Dual Acting Cylinder
Barrel
Head
Piston Securing Nut
Rod
Head
Seals
Seals
Piston
Vent to Tank
Return to Tank
Barrel
Pressure
Piston Securing Nut
Typical Single Acting Cylinder
Removal
Note:Refer to Section 7 for Remove and Replace instructions, and the Parts Manual for a list of
hardware specific to the cylinder being repaired.
Tag hoses for proper reassembly.
Disconnect hoses and IMMEDIATELY cap the openings to prevent contamination.
Remove cylinder from the machine as described in Section 8.
Preparation
Take precautions to protect the rod surface. Guard against dirt or other
foreign objects entering system.
Drain all fluid from cylinder.
Clean all dirt and grit from outside of cylinder.
Insert cylinder into vise.
Cylinder Disassembly
Remove the head from the cylinder body.
Remove the shaft assembly from the barrel, pulling in a straight line, so as not to scar the
internal parts.
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2.
3.
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Mec Speed Level Series Specifications

General

Brand	Mec
Model	Speed Level Series
Category	Boom Lifts
Language	English