Blue Diamond Drum Mulcher, Operation And Maintenance Manual, Page: 47 / 90

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Drum Mulcher Operation and Maintenance Manual
Maintenance
Frame Mounted Stationary Anvil Removal
and Replacement
Figure 31
1. Remove the cutting drum to access the
stationary anvils. See “Cutting Drum Bearing
and Shaft Seal” on page 39 and “Stub Shaft”
on page 42 for instructions.
2. Remove damaged stationary anvil.
3. Grind the frame to a smooth surface.
4. Place the new stationary anvil to the original
position.
5. Tack weld into place.
6. Preheat to 160ºF (70ºC).
Follow the welding pattern illustrated [Figure 31] .
Mig wire weld............0.45 Flux Core (AWS A5.29)
Weld fillet size..................................................1/4”
Relief Valve Adjustment
Figure 32
1. Tighten the relief valve to maximum [Figure
32] .
2. Block the cutting drum so as to prevent rotation
when engaged.
3. Adjust the machine pressure limiter to the
desired relief valve pressure value.
4. Engage the mulcher pump.
5. While the cutting drum is blocked, dial down
the relief valve until an audible crackling can be
heard indicating the relief valve is starting to
open.
6. Lock the relief valve in position.
7. Adjust the machine pressure limiter 200 psi
below the mulcher head relief valve.