Adjusting The Nailing Depth; Reduction Of Exhaust Pressure With Muffler - Hitachi NV 65AF3 Technical Data And Service Manual

6-2. Adjusting the Nailing Depth

The nailing depth is adjustable by turning the adjuster.
* Adjusting the adjuster (Fig. 5)
Carry out test driving. If the nails are too deep, turn the adjuster to the shallow side (
depth is too shallow, turn the adjuster to the deep side (
with each rotation of the adjuster.
Do not push up the pushing lever when turning the adjuster.
Place the lock lever in "FREE" position when driving nails.
Lock
Lock lever
FREE

6-3. Reduction of Exhaust Pressure with Muffler

Comparison of blowing dust (The area where concrete dust is blown is shown in black.)
NV 65AF3
Concrete dust
Conditions: Nailed 5 times at 0.69 Mpa {7 kgf/cm2}. Used concrete dust.
Testing method
Concrete dust is
placed on a board.
SHALLOW
DEEP
Adjuster
Fig. 5
Air outlet
mark) (see Figs. 5 and 6). Depth is changed 1 mm
Flush
S
--- 7 ---
mark). If the nail
Too deep
Too shallow
(Turn the
(Turn the
adjuster to the adjuster to the
shallow side.) deep side.)
Fig. 6
C
Actual example: A glove
was set to the air outlet
of the nailer to avoid
blowing dust (at the
interior finish work site)