Tension adjustment knobs, A. upper unwind tension, B. upper front rewind tension – GBC 64C User Manual
Page 22: C. optional lower front unwind tension, D. optional lower rear rewind tension

SPIRE II Series – Installation and Operating Instructions
Page 5-8
t
ensIon
a
dJustment
k
noBs
Turn the knobs clockwise to increase tension and 
counterclockwise to reduce tension.
Figure 24. Tension Knobs on end of the laminator.
a. u
pper
u
nWInd
t
ensIon
Use the Upper Unwind Tension to adjust the amount 
of film web tension as needed to reduce curl and 
wrinkles.
B. u
pper
F
ront
r
eWInd
t
ensIon
Use the Upper Front Rewind Tension knob to adjust 
the amount of pull on the release liner. This prevents 
the release liner from being pulled into the laminator 
or the film from wrapping around the rewind tube.
c. o
ptIonal
l
oWer
F
ront
u
nWInd
t
ensIon
Use the optional Lower Front Unwind Tension to 
adjust the amount of brake that is being applied to 
the film or media.
d. o
ptIonal
l
oWer
r
ear
r
eWInd
t
ensIon
Use the Optional Lower Rear Rewind Tension knob 
to adjust the amount of pull on the release liner. 
Note: AlWAyS RElEASE All TENSION BRAkES, 
BOTH TOP UNWIND AND REWIND, BEFORE 
lOADING THE FIlM. ONCE lOADED, START By 
ADDING TENSION TO THE REWIND FIRST.
