Caterpillar Forklift GP15N

The following parts should be periodically changed as noted below.

These parts are made of materials which will deteriorate overtime. Further, it is difficult to determine visually whether or not they are still in good condition. Changing at proper intervals will reduce the risk of injury to the operator and damage to the truck.

4000 service hours or 2 years, whichever comes first:

• Rubber parts of power cylinder

• Hydraulic hoses of steering system

4000 to 8000 service hours or 2 to 4 years, whichever comes first:

Apply a tester to terminal 1 and terminal 2 and measure the resistance value of the relay coil. Replace the coil with a new one if there is no continuity or the resistance value measured is outside the standard resistance value.

1. Measure the insulation resistance value between terminal 3 and terminal 4. Replace the contact with a new one if the measured insulation resistance value is not more than the value listed in the table below.

2. Apply the tester to terminal 3 and terminal 4.

3. When applying a voltage of 12 V ON and OFF across terminal 1 and terminal 2 under the above condition, check to see if the relay activates to cause continuity or not between terminal 3 and terminal 4. Replace the relay with a new one if it does not activate properly.

CAUTION: This part operates on DC 12 V (Gasoline/Dieselengine truck) power supply.

CAUTION: As the relay has an integrated diode between terminals, be careful about the polarity when inspecting. Replace the relay with a new one if an impact is given to it or if it is dropped.;

Upload a photo of the spring scale attached to the steering wheel

Steering Valve Inspection after disassembly

Check for sliding movement in sub-assembly condition

Check sliding surfaces for defects

If any defect found, what is the type of defect?

(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