Spring Compression Specification - Arctic Cat Panther 1974 Manual

INSPECTING INDIVIDUAL.COMPONENTS
7. I nspect the hex shaft; no burrs or rough edges
are to be evident. Use a fine file to remove
burrs and rough edges. If filing was necessary,
the stationary sheave and hex shaft is to be
washed in cleaning solvent to remove metal
filings. Dry with compressed air.
8. I nspect the set screws that retain the Duralon
bearing in the moveable sheave. Set screws
are to be 1/16-inch below the casting on the
inside surface of the moveable sheave. Set
screws are to be staked on inside of moveable
sheave. If set screws are not staked, do so (see
Stake Moveable Sheave Dura lon Bearing Set
Screws, page V-201.
SPRING COMPRESSION SPECIFICATION
Spring Compression Test
Equipment Necessary: Spring Pressure Tester
The spring is to be a specific length and have
definite pressure characteristics to ensure proper
drive clutch engagement {see Drive Clutch
Specifications, page V-21. Spring pressure reading
must be as specified when checked with a spring
pressure tester (see Drive Clutch Specifications,
page V-21. If the spring pressure is within tolerance
and an engagement problem is still experienced,
another drive clutch component is affecting en-
gagement RPM.
1. Place spring between compression pad and
scale contact surface, Fig. V-14.
2. Push compression arm down 1-1/4-inches
and read the total number of pounds
registered on the indicator, Fig. V-14.
Indicator reading is to be as specified (see
Drive Clutch Specifications, page V-21. If
indicator reading is less than specified spring
pressure, install a new spring.
Fig. V-14
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MOVEABLE SHEAVE SET SCREVV STAKING
Stake Moveable Sheave Duralon Bearing Set Screws
Equipment Necessary: 3/32-1 nch Allen Wrench,
1/8-lnch Diameter Flat End Punch and Hammer
The 3 set screws that secure the Duralon bearing in
the moveable sheave have a tendency to back out.
When this occurs, the drive clutch will not
disengage at idle speed and have a tendency to
creep. Hard starting may be evident and the
V-20
snowmobile may "lurch" forward when the recoil
rope is pulled. To correct the situation, the set
screws are to be staked.
1. Examine the set screws that secure the
Duralon bearing to the moveable sheave. The
head of the set screws is to be 1/16-inch
below the surface of the casting as viewed
from the inside of the moveable sheave.
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