Porter-Cable RN175B Instruction Manual page 11

• Disconnect air supply and engage trigger
lock.
• Avoid contact
adjustments.
The depth that the fastener is driven can be adjusted
using the depth adjustment next to the trigger of
The depth of drive is factory adjusted to
the tool.
a nominal setting. Test fire a fastener and check
depth. If a change is desired:
1. To drive the nail shallower, rotate the depth
setting wheel (G) to the right.
2. To drive a nail deeper, rotate the depth setting wheel (G) to the left.
The adjustment knob has detents every 1/4 turn. Test drive another fastener and check
depth. Repeat as necessary to achieve desired results. The amount of air pressure
required will vary depending on the size of the fastener and the material being
fastened. Experiment with the air pressure setting to determine the lowest setting that
will consistently perform the job at hand. Air pressure in excess of that required can
cause premature wear and/or damage to the tool.
DIReCTIOnAl exHAUST DeFleCTOR
Adjust directional exhaust deflector (A) Fig. 10, so
that the exhaust air blast will be directed away from
the operator. The exhaust deflector can be adjusted
any position for directing the exhaust blast away from
the operator. Grasp the deflector and rotate it to the
desired position for the current application. nOTe:
Non-skid pads (N) help keep the tool from sliding off
the roof.
SHInGle GUIDe (FIG. 11, 12)
Adjust shingle guide (O):
1. Loosen the adjusting lever (P) and slide the locking plate to desired position.
2. Tighten adjusting lever firmly.
The (O) can be used as an aid to position the shingle being nailed a
locking plate
Fig. 11
O
specific distance (Q) from the front edge of the previous row of shingles (R) as shown.
CleARInG A JAMMeD nAIl (FIG. 1, 13)
Disconnect air line from tool, engage trigger lock and remove
fasteners from magazine before making adjustments or personal injury may
result.
with trigger during
Fig. 12
p
11 - ENG
Fig. 9
G
Fig. 10
G
n
R
q
A
n
O