Marshalltown SP684 SURFACE SHARK Surface Planer - Manual (Page 41)

SP684 SuRFACE ShARK SuRFACE PLANER PAGE 41
ENGINE LoSES PoWER
Incorrect carburetor/fuel injection adjustment. See
Service section.
Water in fuel supply. Drain and replace fuel.
Excessive carbon accumulation in combustion
chamber. See Service section.
Fuel tank breather vent closed (if so equipped). open
vent.
Air filter blocked. See Service section.
ENGINE CoMPoNENT FAILuRE
Cracks develop in the muffler pipe or crankcase
area. Excessive engine speed. Reset maximum
engine governed no load speed to 3450 RPM. See
Specifications section.
OPERATIONAL PROBLEMS
Application: All Models
uNEvEN FLAIL WEAR
Excessive cutting depth for the feed/travel rate. Raise
the flail drum and make multiple, shallow passes
instead. Reduce the feed/travel rate. See OPERATING
THE SURFACE PLANER ON THE JOB SITE.
Improper flail and spacer washer setup. See FLAIL
DESIGN AND APPLICATION.
Accumulation of foreign material. Clean and/or replace
the flails and spacer washers as necessary.
Flails and/or spacer washers are too tight on the drum.
Remove and/or replace flails and spacer washers. See
FLAIL DRUM RODS.
EXCESSIvE JuMPING oN ThE WoRK SuRFACE
Excessive cutting depth for the feed/travel rate. Raise
the flail drum and make multiple, shallow passes
instead. Reduce the feed/travel rate. See OPERATING
THE SURFACE PLANER ON THE JOB SITE.
Engine/Flail RPM too low. Reset engine speed. See
OPERATING THE SURFACE PLANER ON THE JOB
SITE.
ACCELERATED v-bELT WEAR
Misaligned and/or improperly tensioned pulleys.
Readjust pulleys and v-belt. See Service section.
Worn pulleys. Replace pulleys as required. See
INSTALLING A REPLACEMENT V-BELT OR
PULLEY.
Improper v-belt. Replace with a Goodyear 3vX335 v-belt
or equivalent. See INSTALLING A REPLACEMENT
V-BELT OR PULLEY.
bent driveshaft. See CHECKING DRIVESHAFT RUN
OUT.
v-belt rubbing on the work surface. Inspect the belt
guard bumper for wear. Repair or replace the guard as
necessary. Readjust cutting height. Remove excess
loose material from the work surface. See OPERATING
THE SURFACE PLANER ON THE JOB SITE.
ACCELERATED bEARING WEAR AND/oR
FAILuRE
Misaligned and/or improperly tensioned pulleys.
Readjust pulleys and v-belt. See Service section.
bent driveshaft. See CHECKING DRIVESHAFT RUN
OUT.
Improper lubrication. See LUBRICATION
REQUIREMENTS.
uNEvEN CuTTING ACTIoN
Excessive material build-up on the wheel face surfaces.
Remove the material.
Excessive caster wheel bearing wear. Replace the
caster.
Excessive front or rear axle wear. Replace the
appropriate axle assembly. See ALIGNING THE
FRONT AND REAR CASTER WHEELS.
Front and rear caster wheels are not properly aligned.
See ALIGNING THE FRONT AND REAR CASTER
WHEELS.
Flails and/or spacer washers are too tight on the drum.
Remove and/or replace flails and spacer washers. See
FLAIL DRUM RODS.
Mixing new and worn flails. Remove and replace with
flails of the same, approximate diameter. See FLAIL
DRUM RODS.