Komatsu Komatsu Backhoe Loader WB140-2N WB140-2N

CHANGING HYDRAULIC SYSTEM OIL AND CLEANING SUCTION FILTER

Steps to change hydraulic system oil and clean suction filter

CHANGING THE BRAKING SYSTEM OIL

Steps to change braking system oil

CHECKING ALTERNATOR AND STARTER

Alternator and Starter checked?

Warning: Perform this check with the machine parked on level ground and loader arm raised with the safety lock engaged.

Lubrication of propeller shafts

Lubrication of front axle joints central coupling

Sign off on the 50 Hourly Backhoe Loader Maintenance

Warning: This maintenance operation is only for machines in which synthetic biodegradable oil type HEES is used.

The following maintenance operation must be performed after the first 50 hours of operation, together with maintenance operations to be initiated every 50 hours.

Hydraulic oil drain filter change performed?

For further details on the various maintenance operations, See 'Maintenance Every 500 Hours of Operation' on page 3-41.

Sign off on the initial 50 hours backhoe loader maintenance

Note: This maintenance procedure is only for machines in which synthetic biodegradable oil type HEES is used.

The following maintenance operation must be performed after the first 500 hours of operation, together with maintenance operations to be initiated EVERY 500 HOURS.

HYDRAULIC OIL CHANGE AND SUCTION FILTER CLEANING

For further details on various maintenance operations, See MAINTENANCE EVERY 2000 HOURS OF OPERATION on page 3-51.

Sign off on the maintenance procedure

For new machines, change the filter after the first 100 and 150 hours of operation.

For successive changes, adhere to the schedule provided on table to the right.

Does the machine contain synthetic biodegradable oil type HEES?

If the machine contains synthetic biodegradable oil type HEES, the filter must be changed after the first 50 hours of operation.

Sign off on the hydraulic oil filter change