Komatsu — BACKHOE LOCKS

SAFETY 8. Using the safety lock (3) in the operator’s cab, lock the loader con- trol before proceeding with any repair or service operations. 9. After completing the work, unlock the safety lock (3). Raise the front end loader up slightly to relive tension on the cylinder lock. 10. Carefully remove the small pin and the safety pin (2). With both hands, remove the cylinder lock (1) completely. 11. Lower the front end loader to the ground. 12. Reinstall the cylinder safety lock (1) to the storage location on the left lift arm shown in illustration (B) Always keep the cylinder-safety lock with the machine. Never use a substitute or damaged cylinder lock.

If it is missing or damaged, replace it immediately. BACKHOE LOCKS The backhoe locks secure the backhoe in a travel position. Use these locks when traveling with the machine or using the front end loader. To use the backhoe lock: 1. When the machine is in operation and the backhoe is being oper- ated, disengage the backhoe boom lock. 2. To use the backhoe boom lock, press the switch (1). 3. Retract the arm, and telescoping arm if so equipped, and curl the bucket. 4. Press the boom lock switch (1) to engage the boom locking device (2). 5. Center the backhoe unit to align the lock pin holes in the backhoe mounting boss. 6.

Remove the centering pin (3) from it’s holding location and insert it in locking holes in the backhoe mounting boss. WB140PS-2N WB150PS-2N 1-23