Operating Instructions_VF335_en.pdf - 第320页
8|Service and maintenance 8.5.5 Solder feeding: visual inspection 1 4 1 3 5 6 6 7 2 5 Fig.97: Solder lead Visual inspection of solder lead ü Inspecting solder lead visually: a) Carefully turn the rolls (1) back and fo…
8|Service and maintenance
ð You should feel a regular air flow.
Increase convection
ü To check the increase convection:
a) In the [Preheating] input dialog in the [Convection] frame, click first on the
button and then on the one.
ð Buttons are displayed in yellow.
b) Hold your hand under the blow pipe (1).
ð You should feel an air flow increase.
Air hoses
ü Visually check air hoses:
a) Inspect hoses (2).
ð Hoses must be soft, flexible and transparent.
a) Have heavily discoloured, porous or hardened hoses replaced by qualified staff.
ð The process has now been completed.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 319/695
8|Service and maintenance
8.5.5 Solder feeding: visual inspection
14 1
3
5
6
6
7
2 5
Fig.97: Solder lead
Visual inspection of solder lead
ü Inspecting solder lead visually:
a) Carefully turn the rolls (1) back and forth.
ð The bearing (4) must be easily accessible.
b) Check cover pipe (3) and spring (2). Clean the dirty pipe, make jammed spring
movable. Remove solder residue and foreign matter.
c) Have the damaged pipe or damaged spring replaced by specialised staff.
d) Check sensor (5). Remove solder residue and foreign matter.
e) Cover the sensor (7, optional) with the hand.
ð The corresponding lamp (6) should go out.
f) Repeat the process for each available solder supply.
ð The process has now been completed.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 320/695
8|Service and maintenance
8.6 Maintenance work to be performed weekly
8.6.1 Checking the EMERGENCY STOP function
Activation of the EMERGENCY STOP pushbutton stops dangerous movements im-
mediately. The EMERGENCY STOP function is available at any time and in all opera-
tion modes.
DANGER
Dangerous electrical voltage!
Serious injury or death from electric shock!
ü The emergency STOP pushbutton does not disconnect the machine power supply!
Individual parts of the system are energized even if the emergency stop pushbut-
ton has been activated!
a) Do not use the emergency STOP pushbutton to disconnect the machine from
voltage!
b) Always switch the machine off using the main switch.
Checking the function
ü Checking the EMERGENCY STOP function
a) Set the machine to the [Maintenance mode] operating mode.
b) Activating an EMERGENCY STOP pushbutton.
c) Opening the edit dialogue [Messages]:
ð the [Emergency stop] message must be displayed.
ð The red light of the signal lamp must flash.
ð If the EMERGENCY STOP button has been pressed, dangerous machine
movements are no longer possible. The machine must then be in the
[Voltage supply OK] operating mode.
d) Release the EMERGENCY STOP pushbutton again.
ð If the blue RESET button is available on the terminal:
e) press the blue RESET button.
f) Acknowledge the machine software message.
g) Repeat the procedure for all available EMERGENCY STOP buttons.
ð The process has now been completed.
When EMERGENCY STOP is triggered due to a malfunction,
ü reset the EMERGENCY STOP:
a) eliminate the malfunction.
b) Close all doors, hoods and covers of the machine.
c) Opening the edit dialogue [Messages]:
d) release the EMERGENCY STOP pushbutton again.
ð If the blue RESET button is available on the terminal:
e) press the blue RESET button.
ð The process has now been completed.
Ersa GmbH Operating Instructions_VF335_en|Rev. 14|30/11/2017 321/695