Repair Guide; Precautions On Disassembly And Reassembly - Hitachi CB 18DBL Service Manual

WARNING: Be sure to remove the battery from the main body before starting repair or maintenance
work. If the switch is activated inadvertently with the battery still mounted on the main
body, the motor may turn unexpectedly and could cause serious injury.

1. Precautions on disassembly and reassembly

[Bold] numbers in the description below correspond to the item numbers in the parts list and the exploded
assembly diagrams for the Model CB 18DBL.
First, be sure to remove the saw blade from the main body to prevent damage to the cutting edges of the
saw blade and avoid personal injury due to the saw blade.
1. Removal of the band saw blade
NOTE: Wear leather gloves before handling the band saw blade to protect your hands from injury
caused by sharp cutting edges. Carefully remove the band saw blade from the main body in
a slow manner to avoid personal injury caused by suddenly ejected band saw blade.
(1) Gently turn the Tension Lever [33] to loosen as shown in the figure below.
(2) Loosen the two Bolts M5 x 16 [80] with the Hex. Bar Wrench 4 mm [501].
NOTE: The Bolt M5 x 16 [80] is retained by the O-ring [77].
(3) Push the claws of Blade Pulley Cover (A) [74] and Blade Pulley Cover (B) [73] to open them.
(4) Slowly turn Blade Pulley (A) [72] or Blade Pulley (B) [71] by hand until the Band Saw Blade [66] comes
out from the top edges of the blade pulleys. Then remove the Band Saw Blade [66].
• Removal of the band saw blade
Loosen
[72]

REPAIR GUIDE

Disassembly
[33]
The band saw
blade comes out.
Top edge of the
[66]
blade pulley
[74]
[71]
-1-
[501]
[80]
[73]
Claws
[66]