Graco 334130A, Инструкция-перечень запасных частей

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Repair
Replace Heater Bands and Pump
RTD
Replace Heater Band
1. If the material drum has already been removed
from the supply unit, go to step 2. If you need
to remove the material drum, perform steps 1
through 6 of the Change Drums, page 38 . Pump
must be in the full down position (air motor shaft
fully extended).
2. Make sure the ram plate is down and the ram
hand valve is in the neutral position.
3. Follow Pressure Relief Procedure, page 36 .
4. Bleed off excess material and pressure in the
system by opening the applicator and catching
the material in a waste container.
5. On ADM, turn off the system heat (D).
6. Turn the main power switch off.
7. Remove the screws and covers.
8. Remove white ceramic caps and disconnect the
electrical wires from heater band (309).
9. Remove the screw that holds the heater band
in place.
10. Remove the heater band (309a, 309b) from
pump.
11. Coat the inside of the heater with non silicone
heat sink compound before mounting. Maximum
thickness is 0.005 in. Coat only to within 3/4 in.
of vertical ends.
12. Install a new heater band (309a, 309b) in the
same location as the old heater band:
a. Locate heater terminals so they line up with
back of pump.
b. Tighten the heater band.
c. Re-connect heater wires and re-attach
ceramic caps that insulate terminal.
Figure 30
50 334130A