Digga Magnum II Series, Operator And Parts Manual

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REMOVAL - OVERHUNG LOAD ADAPTER
1. Remove the drive belt. See “DRIVE BELT TENSIONING AND/OR REMOVAL”
2. Securely attach hoist to the motor and overhung load adapter housing to support it for removal.
3. Remove the upper sprocket. See “SPROCKET REMOVAL AND INSTALLATION”.
4. Tag and remove hoses from the hydraulic motor. Cap or plug hoses and fittings to prevent
contaminants from entering the hydraulic system.
5. Remove the .75” cap screws securing the overhung load adapter to the side of the
mulcher mainframe.
6. Slide the motor and housing assembly out of the mulcher mainframe. Drain oil from housing by
removing the appropriate plug for your mulcher.
7. Place overhung load adapter housing and motor assembly on a clean surface. Remove the cap
screws securing the motor to the housing and separate the housing from the motor.
8. Remove motor gasket (4-bolt flange motor) or motor o-ring (2-bolt flange motor) and inspect for
damage. Replace as required.
9. Inspect motor shaft seal for damage and replace as required.
NOTE: Field service of internal motor seals will void warranty.
REMOVE OVERHUNG LOAD
ADAPTER AND MOTOR FROM
MULCHER FRAME
OVERHUNG LOAD
ADAPTER HOUSING
MOTOR
(4-BOLT MOTOR SHOWN)
TAG AND REMOVE HOSES
(CAP OR PLUG HOSES
AND FITTINGS)
CAPSCREWS
IMPORTANT: If installing a remanufactured overhung load adapter, the old overhung load adapter
assembly must be returned to the factory with the seal cap removed from the remanufactured
assembly and installed on the assembly to be returned to receive maximum credit.
INSTALLATION - OVERHUNG LOAD ADAPTER
1. After replacing motor gasket and/or seals (if required) install overhung load adapter over the
output shaft on the hydraulic motor and reinstall the existing cap screws. Torque .62” cap
screws (2-bolt flange) to 250 ft. lbs. and .75” cap screws (4-bolt flange) to 230 ft. lbs.
2. Using an overhead hoist, install motor and overhung load adapter assembly into mulcher
mainframe using the existing front two .75” cap screws and washers.
3. Install upper sprocket and drive belt. See “SPROCKET REMOVAL AND INSTALLATION”.
4. Fill overhung load adapter assembly with oil. All adapter assemblies are shipped from
factory without oil. See “LUBRICATION SPECIFICATIONS”.
5. Reconnect hydraulic hoses to motor. Torque manifold/hose clamp cap screws to 45 ft. lbs.
OVERHUNG LOAD ADAPTER SEAL REPLACEMENT
1. Remove the drive belt. See “DRIVE BELT TENSIONING AND/OR REMOVAL”
2. Remove the upper sprocket. See “SPROCKET REMOVAL AND INSTALLATION”.
3. Drain oil from housing by removing the appropriate plug for your mulcher.
MAINTENANCE & SERVICE
QUALIFIED TECHNICIAN MAINTENANCE
PM-000102-A OCTOBER 2017 41