Troubleshooting Guide; Problems Caused By Improper Handling - Hitachi NT 65GB Technical Data And Service Manual

9. TROUBLESHOOTING GUIDE

9-1. Problems Caused by Improper Handling

The table below lists the problems that may occur. Note that improper handling causes these
problems, not any nailer abnormality. Therefore, please instruct the customers to use the nailer
properly according to the table.
Improper handling
The Trigger [71] is
pressed insufficiently.
Pushing Lever (A)
[82]is pressed while
the Trigger [71] is
being slightly held
down.
The Battery [58] is not
set or set improperly.
The nailer is used while
the battery indicator
light is red (Fig. 11).
The nailer is used with
a clogged Filter Mesh
[2].
The fuel cell is not set
or set improperly.
The metering valve of
the fuel cell is set
improperly.
Pushing Lever (A) [82]
is pressed insufficiently.
The fuel cell lacks fuel.
Battery indicator
light
Fig. 11
Problem
• No combustion
occurs.
• No nail is driven.
• No combustion
occurs.
• The nailer does not
start.
• Output is decreased.
• Output is decreased.
• The nailer generates
heat.
• No combustion
occurs.
• No combustion
occurs.
• No combustion
occurs.
• No combustion
occurs.
Cause
• The Piston [27] is
lowered.
• The spark switch is
not turned on.
• No electricity is sent.
• The number of
revolutions of the
Fan [11] is low.
• Discharge and
cooling are
insufficient.
• No fuel is fed.
• No fuel is fed.
• No fuel is fed.
• The switch of the Fan
[11] is not turned on.
• No fuel is fed.
Fig. 12
-15-
Corrective action
• Return the Piston [27] to
the uppermost position
with a flat-blade
screwdriver.
• Press Pushing Lever (A)
[82] securely for about
0.5 second after
combustion.
• Press Pushing Lever (A)
[82] without holding down
the Trigger [71], and then
hold down the Trigger
[71].
• Set the Battery [58]
properly in the nailer.
• Charge the Battery [58].
• Clean the Filter Mesh [2]
(Fig. 12).
• Set the fuel cell properly
(Fig. 13).
• Set the metering valve of
the fuel cell properly
(Fig. 14).
• Press Pushing Lever (A)
[82] securely.
• Use a new fuel cell.
Filter Cover [1A]
Filter Mesh [2]
(Clean Filter Mesh
[2] with an air gun.)
Top Cover [4A]