CAT Forklift DP30N

Warning: This inspection requires trained personnel with PPE!

Measure the resistance value of the relay coil between terminal 1 and terminal 2

Is the measured resistance value within the standard range?

Measure the insulation resistance value between terminal 3 and terminal 4

Is the measured insulation resistance value more than the value listed in the table?

Apply a voltage of 12 V ON and OFF across terminal 1 and terminal 2

Does the relay activate to cause continuity between terminal 3 and terminal 4?

(1) Transmission oil level check

(a) Check the transmission fluid level with the level gauge.

(b) Start and run the engine at an idling speed for about 3 minutes, and then stop the engine.

(c) Wait for about 30 seconds after stopping the engine, and check the level.

(d) The checking procedure must be completed within 5 minutes after the engine has stopped.

(a) Warm up the engine to raise the temperature of the transmission oil.

Hydraulic Pump Inspection and Repair

(1) Check the gear teeth for wear, chipping or other defects.

(2) Check the side faces of the gears for wear or damage.

(3) Check the shafts for wear or damage.

Check these parts for wear or damage.

1. Second cylinder for simplex mast and triplex mast Inspection after disassembly

Check valves for burrs, scratches, dents and other surface defects

Check that all moving and sliding contact parts move smoothly

Are any springs broken or bent?

Measure the free length of springs

Upload a photo of the inspected valve

Sign off on the valve inspection

Simplex Mast Inspection after disassembly (all models)

(1) Check each roller for wear, binding or other defects.

(2) Check each roller on rolling surface for pitting or other defects.

(3) Check the mast member and the welded joints of crossmembers, shafts and supports for cracks.

(4) Check the mast support bushings for wear or other defects.

(1) Check the main rollers and side rollers for smooth rotation. Inspect each roller for wear and cracks.

(2) Check the welded portions of the bracket for cracks.