TM 10-3930-669-10 Table 3-2.  Operator Troubleshooting Procedures - CONT. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION HYDRAULIC SYSTEM (CONT) Step 3.  Inspect hydraulic hoses to pivot cylinder. If hoses are damaged, notify Unit Maintenance. If hoses are OK, notify Unit Maintenance. 3. MAST DOES NOT SHIFT. Step 1.  Check mast lift operation. If mast lifts, go to step 2. If mast does not lift, go to step 4. Step 2.  Inspect shift cylinder. If shift cylinder is leaking or damaged, notify Unit Maintenance. If shift cylinder is OK, go to step 3. Step 3.  Inspect hydraulic hoses to shift cylinder. If hoses are damaged, notify Unit Maintenance. If hoses are OK, notify Unit Maintenance. Step 4.  Check steering operation. If forklift does not turn or turns slowly, notify Unit Maintenance. If forklift steering is OK, notify Unit Maintenance. Section III.  MAINTENANCE PROCEDURES 3-5.  OPERATOR MAINTENANCE INTRODUCTION. This section covers authorized operator maintenance tasks.  The tasks covered in this section are defined in the MAC and limited to the inspection and servicing of forklift components. 3-11