Diamond Products CC7074 - Manual (Page 30)

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Adding Hydraulic Fluid to the Reservoir Tank
Check the hydraulic fluid daily and add fluid to the
reservoir tank as necessary.
1. Lower the saw to level the engine.
2. Remove the reservoir tank cap.
3. Add SAE 15W-40 oil or equivalent to the reservoir
tank fill line. DO NOT overfill as fluid will leak out
from the reservoir cap.
4. Replace the cap and tighten to secure.
Figure 25: Reservoir Tank
Replacing the Hydraulic Oil Filter
Replace the hydraulic oil filter after the first 50 hours of
operation, and then every 250 hours.
1. Lower the saw completely.
2. Place a drain pan under the filter.
3. Remove the filter using an appropriate tool. Dispose
of the used oil and filter according to city, state, and
federal regulations.
4. Wipe down the sealing surface with a clean cloth,
and use clean oil to lightly oil the filter gasket.
5. Fill new filter with SAE15W-40 oil. Remove bracket
to allow attachment of filter in vertical position.
6. Tighten the new filter to the filter head following the
directions on the filter.
7. Inspect the seal for leaks and recheck the oil level in
the reservoir.
Upper Gearbox
Clean the upper gearbox breather vent (inside breather
cap) using compressed air to remove oil, dirt, and slurry
every 100 hours.
Changing the Upper Gearbox Oil
Change the upper gearbox oil every 100 hours.
Figure 30: Upper Gearbox
1. Lower the saw to level the frame.
2. Place a drain pan under the gearbox drain plug
(underneath gearbox, near front of box).
3. Remove the gearbox drain plug and drain the oil
completely. Dispose of the used oil according to city,
state, and federal regulations.
4. Replace the drain plug and retighten to secure.
5. Remove the oil fill breather cap and add Mobil 1
Synthetic Gear Lube 75W-90 oil to the upper
gearbox to at least half full (view level through sight
glass).
6. Replace the oil fill breather cap and retighten to
secure.
Draining the Upper Gearbox Heat Sink
Figure 31: Upper Gearbox Heat Sink
Drain the heat sink daily; especially in freezing weather
conditions.
1. Lower the saw completely.
2. Open the water drain valve on the heat sink and
drain the heat sink completely.
3. Close the water drain valve.