Page 26 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

Skill Sequence

Hydraulic car hoist

This shall help you to
• operate service station equipments.

Hydraulic car hoist (Fig 2) Fig 2

Park the vehicle in the centre of the car hoist.
Clamp the front and rear axle or check wheels
Open the air cock gradually and observe that the
car hoist(1) is moving upwards.

Close the cock when it reaches the required
height.

Provide safety stands(2)underneath the hoist. Open the outlet cock slowly so that the vehicle moves down without
jerk. Ensure that the hoist side rail sits firmly on the stand.
After finishing the required job, slightly open the inlet cock and raise the car hoist slightly up. Close the inlet cock.

Remove the safety stands.
Ensure that nobody is present underneath the vehicle.
Open the outlet cock slowly so that the hoist comes down without disturbing the vehicle’s position.
Remove the clamps/chocks and remove the vehicle from the hoist.
Car washer.

Check the oil level.
Check the belt tension.
Check the belt guard for its position.
Inspect the electrical connection visually for looseness, disconnections or cuts.
Open the water tank.

Check the water level.
Hold the gun before starting the car washer.
Switch ‘ON’ the car washer and adjust the pressure gauge for the required pressure.
Open the water gun.
Check the water jet and adjust for force and spray at an angle to body panel.

After completing the cleaning, stop the car washer.
Close the water intake cock (water supply).
Mechanical jack (Fig 3)/Hydraulic jack (Fig 4)
Park the vehicle on level ground.

In case of jacking up the front axle, chock the rear wheels and vice versa.
Check the free movements of threads in a mechanical jack by hand and in the hydraulic jack. Check the oil level
and its operations.
Place the jack under the vehicle in specified place.

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CITS : Automotive - Mechanic Diesel - Exercise 1.3