Part ~ 1

SAFETY WARNING

The following instructions involve working with the complex internal parts of a suspension fork and it is recommended that only a skilled or trained mechanic should attempt these procedures to avoid any possibility of damage to the product or personal injury. Specialist tools may be required and in some cases special tools from RST are additionally required, the failure to use the correct tool could result in a premature failure of the produce leading to subsequent personal injury.

By reading this warning you accept the responsability to carry out the instructions under the understanding that you may void the warranty offered by RST and that any damage parts should be replaced before reassembly in order to maintain the fork correctly.

 

MAINTENANCE MANUAL
This manual is designed as an addition to the owner’s manual supplied with your RST fork.

Maintenance should be carried out as often as specified or when the performance of the fork has deteriorated.

SAFETY INSTRUCTIONS
RST recommends that if you are unsure about your ability to complete this maintenance work to consult an RST dealer before commencing any work. Improper installation of some parts can be extremely dangerous and can result in the failure of the fork resulting in possible personal injury.

ALWAYS Wear safety eye glasses when working on the internal parts of a fork.

REPAIR KITS
Before beginning any work on your fork it is recommended that you obtain the parts that will need replacement in order to avoid delays during the maintenance. The most common parts used are supplied in a REPAIR KIT that should be available from RST dealers.
The repair kit that you require for the models of fork covered by this manual is:-
 KIT D.
 
TOOLS REQUIRED:

4mm Hex wrench.
RST Adjuster cap wrench (Large).
Snap ring pliers.
RST 8mm Hex wrench (optional).

Non toxic cleaning solvent.
Cleaning rag.
Cleaning brush.

Grease (Non-lithium based).

 

Front view of: RST Delta TL Fork.  
Use a 4mm hex wrench to remove the drop out bolts (x2) from the outer legs.  
Release the boots from the dust wipers and separate the outer legs from the stanchions by pulling them apart.  
Use an RST adjuster wrench to remove the adjuster caps (x2) by turning them counter-clock wise.  
Remove the stack of springs or MCU's (x2).  
Use snap ring pliers to remove the 'C' clip and then pull out the compression rod from each stanchion.  
Clean all parts using a Non-toxic cleaning solvent and cleaning brush.

Allow the parts to dry.

CHECK AND REPLACE ANY DAMAGED PARTS (Like the 'O' rings, boots or dust wipers)

If you do not have the RST repair kit then use the parts list in order to obtain the correct parts.

 

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How to put back together.