Maintenance - Makita 6922NB Instruction Manual

1
004993
004994
CAUTION:
Washer and nut have head and tail. Head has
•
identification mark for nut and chamfer for washer.
When placing them, be careful not to place in
reverse.
1
2
005848
CAUTION:
Replace nut, bolt and washer all together at one
•
time when these rotate together, nut rotates
excessively or a bolt protrude from nut surface too
much or less.
Do not reuse used nut, bolt and washer.
•
Choose shear bolts according to the thickness of
•
workpiece to be fastened. Range for the remaining
length of bolts that are obtained after cutting off
chips are determined by bolt size. Refer to the table
below for details.
1. Bolt tip
1. Tip ejector (Tip
lever)
1
1. Identification
mark
3 2. Nut
3. Bolt
4
4. Chamfered
5. Washer
5
Maximum
Bolt size remainig
length
M16 20mm
M20 15mm
M22 14mm
007586
1
007539
CAUTION:
Use bolts with the remaining length within the range
•
shown in the table above as bolts with different size
have different maximum and minimum remaining
length. Be careful not to use bolts beyond the
specified range which causes the tool damage

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before attempting to perform inspection
or maintenance.
Never use gasoline, benzine, thinner, alcohol or the
•
like. Discoloration, deformation or cracks may
result.
Replacing carbon brushes
001145
6
Minimum
remainig
length
4.5mm
5.5mm
7mm
1. Remaining
length
1. Limit mark
1