Disassembly And Reassembly; Filter Cleaning - Hitachi CM 75EAP Service Manual

1. Disassembly and reassembly of the cleaner
[Tool required]
• Hex. bar wrench (4 mm)
(1) Disassembly
• Loosen the Cleaner Knob [184], remove Cleaner Box
(B) [187], and then take out the Pre Filter [182].
• Loosen the four Set Bolts M5 x 25 [10] by using a hex.
bar wrench (4 mm) and remove Cleaner Box (A) [189].
• Remove the Paper Filter [193] and Nylon Filter [194].
NOTE: Be careful not to let any dust get into the
engine when removing the filter.
• Remove the Rubber Rope [188] and two Bearing
Locks [190] from Cleaner Box (A) [189].

(2) Filter cleaning

• Pat the Pre Filter [182] or apply compressed air to it to
remove dust. If the filter is very contaminated, wash it
with soap and water, and then fully dry it.
• Apply compressed air to the Nylon Filter [194] in order
to remove dust.
• Pat the Paper Filter [193] or apply compressed air
from the bottom of the paper filter to remove dust.
NOTE: Never wash the Paper Filter [193].
(3) Reassembly
Reassembly can be conducted by reversing the disassembly procedure. However, special attention
should be given to the following items.
• Insert the slit portion of the Choke Rod Rubber [192] into Cleaner Box (A) [189]. For details, see "3.
Disassembly and reassembly of the carburetor ass'y."
• Assemble the Rubber Rope [188] with one end in contact with the rib of Cleaner Box (A) [189] and the
other end aligned to the tip of the arrow mark.
• Rubber rope and bearing lock

Disassembly and reassembly

[188]
• Cleaner
• Paper filter
Rear side
[190]
[189]
[189]
Rib
Arrow mark
-8-
[184]
[187]
[182]
[188]
[189]
[10]
[193]
[194]
Bottom
Apply air here.
Assemble the Rubber Rope
[188] with one end in
contact with the rib and the
other end aligned to the tip
of the arrow mark.