Diamond Products CC7074 User Manual
Page 33

30
4. Turn both blade drive belt tension bolts (large
threaded bolt on engine foot) counterclockwise to
loosen the belts.
Figure 26: Belt Tension Bolt
5. Remove both sets of belts from the four sheaves.
6. Loop and align the first matched set of belts around
the lower gearbox sheave and then around the
upper gearbox sheave, and repeat with the second
matched set of belts. Repeat the procedure for the
second set of sheaves. Note: Make sure the belts
are fitted against each other, and are aligned on the
sheaves.
7. Turn both blade drive tension bolts (large threaded
bolt on engine foot) clockwise equally to tighten the
belts. Test the belt tension and readjust the bolts as
necessary. Refer to Appendix C for additional
information on belt tension settings. DO NOT
exceed the manufacturer’s tension settings.
8. Tighten the nut on both blade drive belt tension bolts
down to the engine foot.
9. Retighten the two engine cradle screws.
In-Line Fuel Filter
Change the in-line fuel filter every 250 to 500 hours,
depending on the amount of buildup in the filter.
Figure 27: In-Line Fuel Filter
1. Lower the saw completely.
2. Place a drain pan under the hoses and in-line filter.
3. Pinch the hose on both sides of the filter using an
appropriate pinch-off tool for tubing.
4. Remove the hose clamp from both sides of the filter.
5. Remove the filter from the hoses. Drain any
escaping fuel and dispose of the used fuel and filter
according to city, state, and federal regulations.
6. Place the fuel hose coming from the fuel tank onto
the end of the filter (the arrow on the filter should not
point toward this hose). Push the hose tightly up
against the edge of the filter and secure with the
hose clamp.
7. Place the fuel hose coming from the fuel pump onto
the other end of the filter (the arrow on the filter
should point toward this hose). Push the hose tightly
up against the edge of the filter and secure with the
hose clamp.
8. Remove the pinch-off tool from the hoses and check
for leaks.
Engine
WARNING
Let the engine cool down prior to
servicing the saw.
DO NOT service the saw with the
engine running (unless stated otherwise).
Refer to the engine manual and manufacturer for a
full engine maintenance schedule and additional
engine maintenance information.
Cleaning the Engine
Clean and wipe down the engine’s exterior, fans, and
guards daily to prevent high operating temperatures.
Changing Engine Oil
Refer to Engine Operators manual for oil
specifications and capacities.
Change the oil after the first 50 hours of operation,
then every 500 hours afterward.
If the annual operating hours are less than 500,
change the oil every year.
The oil filter should be changed when the oil is
changed.
Refer to Engine Manual for Oil Filter Specifications.