Impeller Removing and Reinstallation (figures 13a-13b)

TO REMOVE THE IMPELLER:

1. Figure 13a: If the debris blower is in storage, remove the round wire lockpin (item 1). Then remove the 1/4" cotter pin (item 2), the flat washer (item 3) and the wheel assembly (item 4). Place the arm on a small wood block as a temporary support.

2. Figure 13a: Attach the housing (item 7) to a hoist with the hook provided on the housing (item 5). Remove the twelve 3/8" NC serrated flange nuts (item 6) and move the housing to the front to take it out from the impeller.

3. Figure 13b: Remove the 1/2"NC x 1" hex bolt, the lockwasher and the flat washer (items 2, 3 and 4) in front of the impeller (item 1).

4. Figure 13b: Remove the 1/2"NC x 3 1/2" hex bolt (item 5) and the 1/2"NC nylon insert locknut (item 6).

5. Figure 13b: The impeller is provided with an ejection device, so just screw a 3/4"NC x +/- 2 1/2" hex bolt (item 7) that pushes against the shaft end and ejects the impeller (item 1).

TO REINSTALL THE IMPELLER:

1. Figure 13b: Remove the 3/4" x +/- 2 1/2" hex bolt (item7).

2. Figure 13b: Apply grease on the shaft to facilitate the reinstallation. Make sure to align the hole in the impeller with the hole on the shaft, where the 1/2"NC x 3 1/2" hex bolt was installed (item 5). A light punch on the impeller should be enough to insert it on the shaft.

3. Figure 13b: Attach with the 1/2"NC x 1" hex bolt, the lockwasher and the flat washer (items 2, 3 and 4) in front of the impeller.

4. Figure 13b: Then attach the impeller with the 1/2"NC x 3 1/2" hex bolt (item 5) and the 1/2"NC nylon insert locknut (item 6).

5. Figure 13a: Reinstall the front housing and the wheels (follow the preceding procedure in reverse).

TROUBLESHOOTING Optimum Performance

IMPORTANT: The optimum performances of the debris blower are only achieved after 10 to 15 minutes of debris blower operation. It is therefore important to ensure that the hydraulic oil reaches a temperature of over 40ºC (104ºF) before judging the debris blower performances.

The following chart serves as a guide in case of a malfunction. If the problem is not solved after taking the appropriate corrective measure, contact your dealer.

WARNING: Several corrective measures present a certain risk, which may cause serious injuries or death.

Only a qualified person, familiar with the risks associated with hydraulics, electricity and machinery should perform the repairs. Review the safety precautions at the beginning of this manual.

WARNING: Hot engine parts and hydraulic oil can cause serious burns. Always let the engine cool before proceeding with repairs or maintenance.

CAUTION: The oil temperature must never go above 65ºC (149ºF) to avoid damages to the hydraulic components.

Problem Corrective Measure

• Check if an object is blocking the impeller

• Check that the PTO is engaged

• Check for oil leaks

• Check if the pump is in recirculation mode

1. The Impeller does not turn

• Check hydraulic pump oil level and add some if needed

• Check that the input and output hoses are connected

• Check that the input and output hoses are in the right position, if not reverse their position

• Check if the belt is broken or damaged.

2. The Impeller is turning in reverse

• Check that the hoses are connected correctly to the hydraulic manifold and reverse their position if necessary

• The engine is not at full RPM

• Check hydraulic pump oil level and add some if needed

• Check hydraulic pump hydraulic pressure, adjust if too low

3. The debris are not thrown very far

• Check hydraulic pump hydraulic flow

• Reduce the ground speed (Refer to Operation section)

• Check the hoses for leaks, replace if needed

• Check hydraulic pump, replace if needed

• Check the impeller motor; replace if needed

• Check that the maximum hydraulic pressure is below the allowable level

4. The hydraulic motor of the Impeller leaks oil from the shaft

• Check that the maximum return pressure is below the allowable level

• Replace the motor seals

• Replace the motor

Introduction

All parts are illustrated in "exploded views" which show the individual parts in their normal relationship to each other. Reference numbers are used in the illustrations. These numbers correspond to those in the "Reference Number" (REF) column, and are followed by the description and quantity required.

Right Hand and Left Hand are determined by those seen by the operator standing behind the equipment.

The manufacturer reserves the rights to change, modify, or eliminate from time to time, for technical or other reasons, certain or all data, specifications, or the product or products themselves, without any liability or obligation.

The parts listed here are available through your local dealer.