user manual
RCC130H-CRACK SAW OPERATION AND PARTS MANUAL REV #1 (11/18/04) PAGE 31
MAINTENANCE/SERVICE
Maintenance/Service
PREVENTATIVE MAINTENANCE CHECK LIST.
The normal operation of the Crack Saw produces
extreme dirt and dust, along with levels of random
vibration. Before operating the Crack Saw, the
following service list should be accomplished. This
list is for reference only and is not intended to be all
inclusive. Other subject areas can be added at the
discretion of the owner(s) and/or operator(s):
1) Check all fasteners for proper torque values. If a
fastener requires retorquing, consult a torque chart
for proper value. Properly discard and replace any
worn fastener with a factory approved, replacement
part.
2) Check the V-belts for wear. Adjust or replace as
necessary. Check pulleys for wear and proper
alignment. Many loose materials created as a result
of operating processes can be extremely abrasive.
3) Keep the Crack Saw clean. Wash the unit after
each use. Keep loose materials from accumulating
around engine cooling fins. Determine that the
interior sections of the frame are free of material
build-up. Such a build-up can restrict the operating
process and present a potential safety hazard.
Clean and remove any material build-up from the
Crack Saw after each use.
4) Engine service life can be extended with proper
air cleaner maintenance. Consult the material
supplied by the engine manufacturer for specific
information.
5) Check for proper oil level. Always use clean, high
quality engine oil. Change oil as required. Consult
the material supplied by the engine manufacturer for
specific information.
6) Remove material accumulations from the exterior
surfaces of the electric motor. The electric motor is a
totally enclosed, fan cooled (TEFC) design. Keep
the fan fins clear of material accumulations to
enhance air flow over the motor exterior for cooling
purposes.
DANGER
DO NOT PERFORM PREVENTATIVE
MAINTENANCE CHECKS WITH THE ENGINE
RUNNING. DISCONNECT THE SPARK BEFORE
PERFORMING ANY MAINTENANCE
RECONNECT THE SPARK PLUG BEFORE
IMPROPER PROCEDURES CAN RESULT IN
PROPERTY DAMAGE AND/OR PERSONAL
INJURY.
CHECKING V-BELT TENSION AND ALIGNMENT.
Application: All Models.
Proper V-belt tension and alignment is essential for
smooth transmission of horsepower and extended
service life. Improper tension and alignment will
accelerate V-belt wear and contribute to decreased
productivity. The V-belt is tensioned at the factory
with the maximum recommended tension force.
Check the belt tension at least two times during the
first day of operation as there will normally be a
rapid decrease in belt tension until it has been run
in. Check the belt tension every eight hours of
operation thereafter and maintain tension within the
recommended range. The correct operating tension
for a V-belt drive is the lowest tension at which it will
not slip under peak load conditions.
Tools Required:
1 each, 16 inch minimum length straightedge.
1 each, 10 lbs minimum capacity, tension scale or
belt tension tool.
1) Position the Crack Saw on a suitable work bench
with the V-belts approximately at waist level.
2) Disconnect the engine spark plug wire.
3) Remove the belt guard from the main frame.
Clean the inside of the belt guard with an
appropriate solvent. Check for signs of wear and
damage. Secure in a proper storage area.
CAUTION
Observe all applicable safety precautions for the
solvent.
4) Check the belt tension using the spring scale or
belt tension tool midway between the engine/motor
pulley and the arbor shaft pulley. Belt tension should
measure approximately 0.22 inch at 3-1/4 to 4-3/8
lbs. measured force range. FIGURE 35. If tension is
within specifications, proceed to Step 5. If tension is
not within specifications, refer to INSTALLING A
REPLACEMENT V-BELT for specific information.