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Table of Contents
Related Manuals for HYVA FEE
Summarization of Contents
Introduction to Hyva Front-End Cylinders
1.1. Scope of Repair Manual
Details the manual's purpose for repairing Hyva front-end cylinders and ALPHA series.
1.2. General Remarks and Cylinder Types
Covers cylinder usage, side loads, recommended oils, and identifies six cylinder types.
1.3. Safety Signs and Contact Information
Explains document symbols and provides contact details for Hyva service.
1.4. Safety Precautions and Spare Parts
Outlines demounting precautions, spare parts ordering, and recycling advice.
1.5. Warranty Terms
Refers to Hyva Group B.V. warranty terms outlined in a separate document.
Removing Hyva Front-End Cylinders
2.1. Chassis Cylinder Removal Procedure
Details disconnecting oil inlets and dismounting chassis brackets from the vehicle.
2.2. FC Cylinder Removal (Outer Cover)
Explains securing the cylinder and removing bolts/brackets for FC type.
2.3. FE, FEE, FSE Top Removal
Describes removing the clevis pin from the piston eye for specific cylinder types.
2.4. FEE, FCE Bottom Removal
Outlines removing bolts/nuts from cradle brackets for FEE/FCE types.
2.5. FSE, EF Bottom Removal
Details removing split pins and clevis pins for FSE/EF types.
2.6. FE Gimbal Cylinder Removal
Instructions for removing a FE cylinder with a gimbal attached to the tipper body.
2.6.1. Gimbal Cylinder Chassis Attachment Removal
Specific steps for removing the gimbal cylinder from chassis brackets.
Disassembling Hyva Cylinders
3.1. Opening the Cylinder Base
Instructions on how to open the base of the cylinder for disassembly.
3.1.1. FC, FE, EF Cylinder Base Disassembly
Steps for opening the base of FC, FE, and EF cylinder types.
3.1.2. FEE, FCE Cylinder Base Disassembly
Steps for opening the base of FEE and FCE cylinder types.
3.1.3. FSE Cylinder Base Disassembly
Steps for opening the base of FSE cylinder type.
3.2. Piston Eye Removal Procedure
Guide on how to remove the piston eye from the cylinder.
3.3. Cylinder Cover Removal Steps
Instructions for removing the cylinder cover.
3.3.1. FC UHD Cover Removal Steps
Specific steps for removing the cover of the FC UHD cylinder.
3.4. Piston Head Removal
Details on how to remove the piston head from the piston tube.
3.5. Piston Assembly Removal
Procedures for removing the piston assembly from the cylinder.
3.6. 1DA Piston Replacement Guide
Steps for replacing the 1DA piston using appropriate tools.
3.7. Cylinder Stage Removal
Instructions for safely removing the cylinder stages and their components.
Assembling Hyva Cylinders
4.1. Pack Set Replacement
Guide on cleaning, greasing, and fitting new pack sets into cylinder stages.
4.2. Cylinder Stage Assembly
Steps for sliding and fitting new cylinder stages into the base.
4.3. Piston Assembly and Replacement
Instructions for reassembling the piston tube in reverse order of dismantling.
4.4. Fitting the Piston Eye
Details on fitting a new O-ring and securing the piston eye with locking pins.
4.5. Closing the Cylinder Base
Procedures for fitting the bottom plate and securing it with locking plates.
4.6. Mounting the Outer Cover
Steps for fitting the outer cover and top nut plate.
4.6.1. FC UHD Outer Cover Mounting
Specific instructions for mounting the outer cover on the FC UHD cylinder.
4.7. Refitting Cylinder to Vehicle
Guidance on remounting the assembled cylinder onto the vehicle.
Connecting and Testing Hyva Cylinders
5.1. Hydraulic System Connection
Steps for connecting the cylinder to the hydraulic system.
5.2. Post-Installation Final Checks
Procedures for performing initial checks after installation and first tips.
5.3. Cylinder Repainting Guidelines
Instructions on which parts not to paint during repainting.
Technical Tables and Specifications
Table I & II: Nose Cone Part Numbers
Lists part numbers for stage and piston nose cones based on diameter.
Table III & IV: Pack Sets and Bolt Specs
Details pack set part numbers, bottom plate bolt sizes, torques, and seals.
Table V: Bolt and Nut Torque Specifications
Provides specifications for common bolts, grades, and torque values.
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