Inspection And Maintenance - Hitachi NV90AB Mode D'emploi

English

INSPECTION AND MAINTENANCE

CAUTION:
Be sure to disconnect the hose during cleaning jams,
inspection, maintenance and cleaning.
1. Countermeasure for nail jamming
(1) Remove the nail roll from the magazine, open the
nail guide, insert a rod into the nail outlet and tap the
rod with a hammer. (Fig. 17)
(2) Remove the jammed nail with slotted-head
screwdriver. (Fig. 18)
Nail
(3) Cut off the defective part of the steel wire which links
the nails with cutting nippers, correct the deformation,
then load the nail roll in the magazine.
(4) In case of frequent jam, consult the Authorized Service
Center from which you bought this machine.
2. Check on mounting screws for each part
At regular intervals check every part for loose
mounting screws and whether or not there are any
air leaks. Retighten any loose screws. Operating the
equipment with loose screws untightened will incur
a hazard.
3. Inspecting the push lever
Check if the push lever can slide smoothly. (Fig. 19)
Clean up the sliding area of the push lever and use
the provided oil for lubrication from time to time.
Lubrication enables
simultaneously serves to prevent the formation of
rust.
7
Hammer
Rod
Nail outlet
Fig 17
Slotted-head Screw
Driver
Fig 18
smooth sliding
Nose
Push Lever
4. Inspecting the feeders
(1) Occasionally clean the knob sliding part and then
apply the recommended oil. (See Fig. 20)
(2) Open the nail guide and remove dust, etc., as shown
in Fig. 21. Apply lubricant to the sliding groove of the
feeder and feeder shaft. Check nail stopper (A)
and nail stopper (B) slide smoothly by pushing them
with your finger.
Nail Guide
Nail Stopper
(A)
Nail Stopper
(B)
(3) Also, apply the recommended oil to the feeding
surface of the nose and nail guide after cleaning. This
promotes smooth operation and retards corrosion.
CAUTION:
Check for smooth movement of the feeders and
stoppers before use. If movement is uneven, nails
could be fired at an irregular angle, presenting a
and
hazard to the operator and others nearby.
Lubricate
Fig. 19
Knob
Nail Guide
Fig. 20
Feeder Shaft
Feeder
Nose
Fig. 21