Page 1
PRODUCT INFORMATION:
INTENDED USE OF THE TOOL
WARNING
DO NOT DISCARD – GIVE TO USER
The manufacturer warrants this product to the original
user against defective material or workmanship with a
lifetime guarantee.
The manufacturer reserves the right to determine whether
the part or parts failed because of defective material,
workmanship or other causes. Failures caused by accident,
alteration, or misuse are not covered by this warranty.
The manufacturer, at its discretion, will repair or replace
product covered under this warranty, free of charge.
Repairs or replacements of products covered under this
warranty are warranted for the remainder of the original
warranty period.
The manufacturer or its authorized service representatives
must perform all warranty repairs. Any repair to the product
by unauthorized service representatives voids this warranty.
The rights under this warranty are limited to the original
user and may not be transferred to subsequent owners.
The warranty is in lieu of all other warranties, expressed
or implied, including warranties of merchantability and
fitness for a particular purpose. Some states do not allow
the exclusion or limitations of incidental or consequential
damages, so the above limitations may not apply to you.
LIFETIME WARRANTY
1911349-14
PISTON RING
COMPRESSOR SET
MST75B
When unpacking, check the parts diagram and part
number listing on page 4 to make sure all parts are
included. If any parts are missing or damaged, please
call your distributor.
BEFORE USE
Study, understand and follow all instructions provided
with this product. Read these instructions carefully
before installing, operating, servicing or repairing this
tool. Keep these instructions in a safe, accessible place.
The MST75B Piston Ring Compressor Set is designed to
install pistons with a diameter between 2
7
/
8
"
and 4
5
/
8
"
into
engine blocks using the pliers tool provided in this set.
Do not use this tool outside of the designed intent. Never
modify the tool for any other purpose or use.
Made in China
to Matco specifications
Caution: To help prevent personal injury
• Use of this product can expose you to chemicals
including ethylene glycol, gasoline vapors and engine
exhaust, which are known to the State of California to
cause cancer, birth defects, or reproductive harm. For
more information, visit www.P65Warnings.ca.gov.
Always wear ANSI approved safety equipment, safety
glasses and clothing when using this product. Study,
understand, and follow all instructions provided with
this product. Failure to read and follow all warnings
and operating instructions may result in damages and
serious injury or death.
• Always wear ANSI approved goggles when using this
product. (Users and bystanders).
• Never use this tool for any application other than for
which it was designed.
• Only use accessories designed for this tool.
• Never alter or modify this tool in any way.
• Improper operation and/or maintenance of the tool,
modification of the tool, or use of the tool with
accessories not designed for it could result in serious
injury or death.
• Always select the correct accessories of the correct
size and design for the job that you are attempting to
perform.
• Always work in a clean, safe, well-lit, organized and
adequately equipped area.
• Do not begin repairs without assurance that vehicle is
in a secure position, and will not move during repair.
WARNING
Locking tension.
Pliers ratchet into place with
springs compressed, freeing your hands to position
and tap piston into block.
Universal size range.
7 different band sizes for piston
diameters from 2
7
/
8
" to 4
5
/
8
" (73mm to 117mm).
Multi-angle.
Pliers can be used perpendicular or
in line with piston orientation.