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PennEngineering • www.pemnet.com
Instruction Manual - RIV 938S
OIL (FORCE) PRESSURE REGULATION SETTINGS
M3 / #4-40 -
White
M4 / #8-32 -
Yellow
M5 / #10-32 - Yellow
M6 / 1/4-20 -
Orange
NOTE: These settings are general guidelines to the operator. Inserts are not uniform as hardness and
therefore some modifications may be necessary (+ or -).
IMPORTANT: OIL PRESSURE ADJUSTMENT - When turing right, screwing force increases. When turn-
ing left, force decreases.
WARNING: When the pressure adjustment screw is completely tightened, unscrewing must be done at
a pressure of 100 PSI / 6.5 BAR or greater.
WARNING!!!
Pressure (force) must
always be regulated as
per maximum thickenss
When screwing and unscrewing,
you will see three rings
(white, yellow, and orange).
White
Yellow
Orange
