Manual Hitachi NV90AB (page 8 of 56) (English, German, Dutch, French, Italian, Spanish)

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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)

Fig 17

Fig 18

(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 smooth sliding and

simultaneously serves to prevent the formation of

rust.

Fig. 19

4. Inspecting the feeders

(1) Occasionally clean the knob sliding part and then

apply the recommended oil. (See Fig. 20)

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.

Fig. 21

(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

hazard to the operator and others nearby.

Lubricate

Push Lever

Knob

Nail Guide

Feeder Shaft

Feeder

Nose

Nail Stopper

(B)

Nail Stopper

(A)

Nail Guide

Nail

Slotted-head Screw

Driver

Hammer

Rod

Nail outlet

Nose

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Hitachi NV90AB Manual

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