np134 mechanical reference-1.1e.pdf.pdf - 第94页

3.7 Replacing the V acuum Pump (Every 10000 Hours) Point Replace the vacuum pump after 10000 hours of operating the machine, or if the vacuum pressure falls below -90 kPa. Procedure W ARNING Always be sure to cut the mai…

3.6 Replacing the Filter Regulator

Point

The air flowing through the pneumatics of the machine must be clean. Replace the

regulator filter if it becomes too dirty.

Procedure

WARNING

Always be sure to cut the main power before carrying out

any work.

Remove the filter regulator cover and discharge the air from the lines.

1. Remove the filter case by turning it while pressing the lock knob down.

2. Replace the filter regulator with new ones.

NP1ML056-1

O-ring

Filter

Filter case

NP1ML056

Filter case

Lock knob

Part 3 Chapter 3 Replacing Consumable Parts

Edition 1.0 3-3-9 NP-134E/134ME Mechanical

3.7 Replacing the Vacuum Pump

(Every 10000 Hours)

Point

Replace the vacuum pump after 10000 hours of operating the machine, or if the vacuum

pressure falls below -90 kPa.

Procedure

WARNING

Always be sure to cut the main power before carrying out

any work.

1. Remove the door and cover from the vacuum pump box.

2. Remove the wiring (red, white, black, and ground) from the terminal block on the

top of the pump.

3. Remove the four bolts securing the vacuum pump assembly, and detach the

assembly from the machine.

4. Remove the two elbow joints shown above from the piping.

NP1ML076

Elbow joints

Side 2

NP1ML075a

Vacuum pump

Terminal block

Part 3 Chapter 3 Replacing Consumable Parts

Edition 1.0 3-3-10 NP-134E/134ME Mechanical

5. Remove the belt cover from the vacuum pump, then detach the vacuum pump

from the assembly.

6. Detach the pulley with fan, filter, extension pipe and elbow joint from the vacuum

pump. Replace the vacuum pump, and reattach the parts to the new pump

(in reverse order).

7. Attach the vacuum pumps to the base, then attach belts 1 and 2. Belt 2 must be

attached on the inside (closest to the motor).

8. Adjust the tension of belt 1 and 2 so that, with 0.97 kgf applied at the center of the

belt, the amount of play is 2.7 mm and 3.7 mm respectively.

9. Reattach the belt cover, then secure the pump assembly to the machine using the

four bolts.

10. Reconnect the vacuum pump wiring to the terminal block.

Note: Ensure the wires R (red), S (white) and T (black) are connected correctly to the

terminal block.

Belt 1

Belt 2

Pulley with fan

Vacuum pump

Elbow joint

Extension pipe

Filter

Lock bolt plates

Elbow joint

Extension pipe

Filter

Pulley with fan

Vacuum pump

Belt cover

NP1ML076-1

Part 3 Chapter 3 Replacing Consumable Parts

Edition 1.0 3-3-11 NP-134E/134ME Mechanical