Komatsu Forklift Trucks FG25STLS-16

12. MASTS E-MS SERIES LIMITED FREE LIFT 2-STAGE MAST

1. Inspect the rollers for excessive wear or damage. Rollers with visible flat spots or cracks should be re- placed.

2. Inspect the roller bearings by turning the rollers on their shafts. Rollers with roughness or noticeable restrictions to turning should be replaced.

3. Inspect all welds between the carriage side plates and the carriage fork bars. If any welds are cracked, replace the carriage.

4. Inspect the roller stub shafts. If they are damaged or if there are cracks at the base of the stub shafts, the carriage must be replaced or repaired. Contact Komatsu Forklift for repair procedures.

E-MD SERIES FULL FREE LIFT 2-STAGE MAST

1. Inspect the rollers for excessive wear or damage. Rollers with visible flat spots or cracks should be replaced.

2. Inspect the roller bearings by turning the rollers on their shafts. Rollers with roughness or noticeable restrictions to turning should be replaced.

3. Inspect all welds between the carriage side plates and the carriagefork bars. If any welds are cracked, replace the carriage.

11.2 PERIODIC INSPECTION AND MAINTENANCE CHECK POINTS

1. Deformation, cracks or wear of fork stopper pin

2. Opening or difference in height of fork tips

1. Cracks or wear of upper and lower hooks

2. Cracks or wear of fork base/root

Check fork base thickness (C) for specified size

7.2 PERIODIC INSPECTION AND MAINTENANCE CHECK POINTS

1. Abnormal noise when traveling

2. Oil level in differential casing

3. Dirt or stain with oil (see “DIFFERENTIAL TORQUES AND SEALS” on page 7-19 for checking oil level and replacing).

4. Oil leakage from differential casing

1. Deformation, cracks or scratches: Visual check on and around the frame and mounting bolt or welded area

2. Looseness of mounting bolt: Tightening torque ofmounting bolt

4.2 PERIODIC INSPECTION AND MAINTENANCE CHECK POINTS

Position F/R lever in neutral, pull the parking brake lever down, and start the engine to check the following:

1. Check engine for smooth starting

2. Check engine for abnormal noise

3. Check pre-heating valve for proper functioning

4. Check acceleration pedal and control levers for smooth functioning

4.2.2 ENGINE REVOLUTION, EXHAUST EMISSION COLOR

Press accelerator pedal to check the following:

12. MASTS E-MS SERIES LIMITED FREE LIFT 2-STAGE MAST

After each 500 hours of lift truck operation, and in addition to the Daily and 100 Hour Inspection:

1. Each pair of load rollers on the uprights and carriage should be shimmed so that a total side to side clearance no greater than 1/16 in. (1.5 mm) occurs at the tightest point throughout the travel of the member. Pry between the upright and load roller so that the opposite load roller is tight against the upright.

Measure the clearance for the pair of rollers at XXX shown. See Figure 10a.

2. Check the chains for wear and stretch. Refer to Section 5.6-1 for complete chain inspection.

E-MD SERIES FULL FREE LIFT 2-STAGE MAST

After each 500 hours of lift truck operation, and in addition to the Daily and 100 Hour Inspection:

1. Each pair of load rollers on the uprights and carriage should be shimmed so that a total side to side clearance no greater than 1/16 in. (1.5 mm) occurs at the tightest point throughout the travel of the member. Pry between the upright and load roller so that the opposite load roller is tight against the upright.

Measure the clearance for the pair of rollers at XXX shown. See Figure 16.