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Operating Instruction Manual: 

OM-HVL-01 

Serial Numbers: 
From: AF0324 

 

 

 

OPERATING INSTRUCTION MANUAL 

HVL SERIES | SINGLE-ACTING, VERY LOW HEIGHT 

PANCAKE CYLINDERS 

 

Hi-Force HVL Single-Acting, Very Low Height Pancake Cylinders are designed for use in narrow spaces 
where a minimal colsed height is required. HVL cylinders are available in capacities ranging from 10 to 104 
tonnes with all cylinders having a stroke length of 6mm. All cylinders have a maximum working pressure of 
700 bar (10,000 psi). This manual applies to the Hi-Force HVL Single-Acting, Very Low Height Pancake 
Cylinders ONLY. It contains the latest product information available at the time of publication and approval. 
For  information  relating  to  the  servicing  of  an  HVL  cylinder,  see  the  servicing  instructions,  which  are 
available on the Hi-Force website. Hi-Force reserves the right to make changes to this document at any 
time without notice. 

This 

‘Original  instructions’  document  assumes  that  the  operator  carrying  out  any  operation  with  this 

product is trained and competent to do so. This manual does not attempt to cover all details or variations 
in the equipment. Nor does this manual claim to provide for every possible contingency met in connection 
with the installation, operation, or maintenance thereof. Should further information be desired, or should 
a  particular  problem  arise  which  is  not  covered  in  sufficient  detail,  the  matter  should  be  referred  to  
Hi-Force. 

Summary of Contents for HVL Series

Page 1: ...information available at the time of publication and approval For information relating to the servicing of an HVL cylinder see the servicing instructions which are available on the Hi Force website H...

Page 2: ...ration of Incorporation Conformity 6 4 0 Component Identification 7 5 0 Installation Setup 8 6 0 Operation 10 7 0 Maintenance and Storage 10 8 0 Specifications 11 9 0 System Components Accessories 11...

Page 3: ...ent If an operator has not been trained on high pressure hydraulic equipment and its safe usage consult your local Hi Force sales office or distributor who can offer training courses for operators Fai...

Page 4: ...dangerous NEVER try to relieve trapped hydraulic pressure in the system by loosening or attempting to remove the coupler Trapped hydraulic pressure can cause a loosened coupler to dislodge unexpectedl...

Page 5: ...inder Specific Safety Precautions Failure to observe and obey the following safety precautions could result in property damage serious personal injury or death DO NOT work under or near a load support...

Page 6: ...result in property damage equipment damage or minor moderate personal injury To protect your warranty only use the hydraulic oil grades as specified in Section 8 1 3 0 Declaration of Incorporation Co...

Page 7: ...ction Manual OM HVL 01 Serial Numbers From AF0324 7 4 0 Component Identification 1 Clyinder Body 4 Female Coupler 2 Piston Saddle 5 Dust Cap 3 Reducer Excluding HVL100 6 Base Plate Figure 4 1 Componen...

Page 8: ...ose must be used 5 2 Hydraulic Connections Connect the hydraulic hose s between the cylinder s and the pump ensuring that the coupler s are fully hand tightened ONLY To do so 1 Press the male coupler...

Page 9: ...trained and are competent to do so Cylinders and hoses are not always completely filled with oil when new It is not usually necessary to bleed air from single acting cylinders However you MUST ensure...

Page 10: ...Carry out basic maintenance on a regular basis to keep the cylinder operating in a trouble free manner Maintenance intervals are determined by the frequency of use and the operating conditions on site...

Page 11: ...m To HFO15 ISO15 23 44 HFO46 ISO46 2 73 8 2 HVL Specifications Refer to the engraved detail on the cylinder for model identification HVL SINGLE ACTING VERY LOW HEIGHT PANCAKE CYLINDERS Model Number Ca...

Page 12: ...Cylinder advances in spurts a Air in hydraulic system Bleed air from system See section 5 3 b Cylinder piston binding Repair or replace cylinder 4 Cylinder advances slower than normal a Leaking conne...

Page 13: ...UK Head Office Hi Force Limited Prospect Way Daventry Northamptonshire NN11 8PL United Kingdom Tel 44 1327 301000 Fax 44 1327 706555 Email daventry hi force com GLOBAL BRAND LOCAL SERVICE www hi force...

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