Rear Handles And A/V Cushions - Shindaiwa 300 Service Manual

12 Rear Handles and A-V Cushions
Section
General
All Shindaiwa saws feature extensive use of
rubber mounting cushions designed to isolate
the saw operator from fatiguing (and poten-
tially harmful) engine vibrations.
a conical or cylindrical section of sturdy
rubber installed between the saw's rear handle
and powerhead. Five cushions are used on
saw models 300-488, and six cushions are
used on all larger saws.
during rough handling (such as when the saw
binds in a cut), one or more cushions on any
given saw will also have a hollow steel core
centered around a special limiter bolt (Figure
12.1).
eters , and heavy-duty cushions are available
for some Shindaiwa saw models.
reinforced nylon (Models 680, 695, 575 and
early production 300-series saws used die-
cast aluminum), and feature an integrated fuel
tank incorporated within the handle. The nylon
tanks are color-impregnated, and all seams
are vibration-welded (Figure 12.2).
and other accessories, numerous attachment
"bosses" are molded into each tank during the
manufacturing process.
Remove the handle from the saw.
Disassembly
(Typical, except STEP 1. Drain all fuel from the tank, and
Model 357)
STEP 2. Disconnect the stop switch wires.
STEP 3. Remove the clutch cover, guide bar,
STEP 4. Remove the front handle.
114
Shindaiwa Inc. 1995
The typical anti-vibration (or A-V) cushion is
To minimize the risk of damaging an A-V
Cushion hardness is measured in durom-
Rear handles are molded from fiberglass
To simplify the installation of A-V cushions
remove the cylinder cover, air cleaner,
carburetor, and metal boot sleeve.
and chain.
Limiter
under
load
Threaded
for Metal
No
Limiter
Bolts
Figure 12.1 A-V Cushions (typical)
Anti-vibration Cushions used, by model
Saw Model No. Required
300, 360, 377 5
488 3
2
575, 680, 695 3
2
577 3
2
1
757 3
3
1 For heavy-duty cushions, replace -33710 with -97810;
and -33730 with 97820
2
For heavy-duty cushions, replace with p/n 22169-
97530 and p/n 22169-97540
A-V
Cushions
Figure 12.2 Cushion Location (757 shown)
Limiter Bolts
Threaded
for Plastic
RHV-56
Cushion p/n
22154-33731
22160-33710
22160-97810
22155-33710 1
1
22155-33730
2
72330-33710
22155-33730 1
22150-33750
72330-33710 2
2
22169-33740
Rear
Handle
RHV-57