Hitachi G 12SE2 Safety Instructions And Instruction Manual page 11

6. Mounting the wheel guard
Be sure to mount the wheel guard at an angle that will protect the operator's body from
injury by a broken wheel piece.
[How to attach and adjust the wheel guard](Fig. 2)
Set the wheel ass'y to the packing
gland.
Tighten M5 screw to secure the wheel
guard while the lever is in closed
position.
Perform the adjustment, of the wheel
guard while the lever is released.
(Loosen M5 screw and readjust if the
wheel guard does not rotate smoothly.)
After adjustment, if grinder operation
is required, perform the operation only
after setting the lever in closed position.
Lubricate the sliding section of the set
piece (B) and the lever if the lever does
not move smoothly.
WARNING
:
If the wheel guard is not attached properly,
a broken wheel may result in and cause
death or serious injury.
7. Thoroughly check that the depressed center wheel is free of cracks, splits and
other abnomalities before mounting. Make sure it is firmly clamped and has
been properly mounted. Refer to page 13 of this manual for Depressed Center
Wheel Assembly and Disassembly
8. Test the grinder before using.
Before actually beginning the grinding work, test the grinder by first clearing the area
of all other personnel. Make sure the wheel guard is in place and that you are wearing
eye protection. Turn the grinder "on", and make sure the grinder runs smoothly and
shows no abnormalities.
Duration of the trial run is as follows:
When depressed center wheel is replaced .................. 3 minutes or more
When starting daily work .............................................. 1 minute or more
9. Use only properly rated depressed center wheels.
Use only depressed center wheels rated at 13300 RPM or more for G12SE2 and 12000
RPM or more for G13SE2.
Using a depressed center wheel rated less can lead to wheel disintegration during
operation and cause serious bodily injury.
10. Check the push button.
Make sure that the push button is disengaged by pushing push button two or three
times before turning on the grinder. (Fig. 5)
Lever
Set piece (B)
M5 screw
Fig. 2
English
11