CONCRETE SAW OPERATING INSTRUCTIONS
MAINTENANCE INSTRUCTIONS
1.
Lubricate the blade shaft bearings daily!
If
cutting dry, lubricate blade shaft bearing two or
three times daily. All other fittings (wheels,
bearings, depth control shaft, etc.) should be
greased every 40 hours of operation. Use only
premium lithium-based grease conforming to
NLGI No. 2 consistency.
2.
Check the engine oil daily.
Keep oil clean and
at proper level. Since the engine often operates
at an angle, check the engine oil level (with the
engine horizontal) frequently to ensure that the
oil level never fails below the minimum mark on
the dip stick. Follow the engine manufacturer’s
recommendations for changing oil.
3.
Air filter.
When cutting dry, clean two or three
times per day. See engine manual for
additional information.
4.
Blade shaft V-belts tension:
This model
concrete saw is equipped with 3VX premium V-
belts. These belts are properly tensioned at the
factory. Severe damage or even breakage of
the crankshaft might occur if the belts are
tensioned too tight. Check belt tension as set on
the new saw and never set belts beyond original
factory tension. Not enough tension will result in
poor saw performance and short belt life. Belts
should never be allowed to slip. After four hours
of use, re-tension belts to make up for initial
stretch. To re-tension the belts, turn the engine
off. Loosen the four bolts on the sides of the
engine base. Turn the vertical tensioning bolt on
the front of the engine base clockwise until the
belts are tight. Re-tighten the four bolts on the
engine base. Continue to check the belt tension
on a daily basis, and re-tension as necessary.
To obtain accurate V-belt setting, a V-belt
tension tester should be used. Check the setting
on a single belt of a matched set of V-belts.
Apply load on the center of the span. Deflection
should be 3/16” with a 5 to 6 lb. load.
5.
Tighten fasteners regularly:
Nuts and bolts
may become loose particularly after the first few
hours of operation. Most fasteners on this unit
are metric. Please use the correct tool
6.
Engine care:
See engine manual. Clean dust
and dirt from cooling fans, as required, to
provide adequate cooling.
GOVERNOR SPEEDS
It is critical that the governor and throttle on all internal
combustion engines are adjusted properly. Engine
speed is preset at the factory for proper sawing speed It
is not normally necessary to change this setting. It
should be periodically verified after the saw is placed in
service. To change governor setting, refer to the engine
manual.
WARNING
: Over speeding the engine and
blade shaft can cause serious damage to the blade and
could result in injury to the operator and bystanders. Do
not exceed the following speeds: No load blade shaft –
2800 RPM, no load engine – 3900 RPM.
BLADE SIZE
MAXIMUM DEPTH
10”
2-5/8”
12”
3-5/8”
14”
4-5/8”
