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Item 58802

Operating Instructions

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the 

beginning of this document before set up or use of this produ

ct.

Note:

 Refer to vehicle service manual 

for engine head removal process.
1.  Remove head, then place head on a 

stable work bench or head stand.

2.  Secure head in a position where 

valves are facing down and do 

not make contact with work bench 

surface to prevent damage to valve.

3.  Place a properly sized socket 

onto spring retainer cap.

4.  If needed for clearance, place 

an extension onto socket.

5.  Lightly tap socket or extension with a 

striking tool to loosen collets from spring 

retainer cap and valve spring keepers.

6.  If applicable, remove the clip 

from the valve keeper.

7.  Determine which Release Adapter best 

fits the circumference of spring retainer 

cap and thread onto Inner Screw. 

CAUTION:

 

TO PREVENT PROPERTY 

DAMAGE

: ensure Cup and Release 

Adapter to not make contact with head 

while locking Valve Spring Compressor.

 

8.  Carefully center Cup onto 

valve and Release Adapter 

onto spring retainer cap.

9.  Grip Valve Spring Compressor with both 

hands and push Handle forward to lock.

10.  Turn Adjusting Screw clockwise to 

compress valve spring to expose collets.

11.  Remove collets using a magnet.
12.  Loosen Adjusting Screw to release 

pressure before removing Compressor.

13.  Hold valve in place and 

remove spring assembly.

14.  Carefully remove valve.

Note:

 Refer to vehicle service 

manual for engine head assembly 

and installation process.

Inspection, Maintenance and Cleaning

  Procedures not specifically explained in this manual 

must be performed only by a qualified technician.

TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: 

Do not use damaged equipment.  If abnormal noise or vibration 

occurs, have the problem corrected before further use.

1. 

BEFORE EACH USE,

 inspect 

the general condition of the tool.  

Check for cracked or broken parts, 

damaged hoses, loose fittings, 

misalignment or binding of moving 

parts, and any other condition that 

may affect its safe operation.

2. 

AFTER USE,

 clean external 

surfaces of the tool when necessary 

with a clean, damp cloth and mild 

detergent.  Store the Valve Spring 

Compressor tool in a clean, dry, safe 

location out of reach of children.

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