ASTRO D2-15, Руководство пользователя

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V4 Pump Block Assembly Replacement
1.
If the melt unit is cold, allow the pump block [3] to warm to approximately 90 °C (200 °F). If
the melt unit is hot and full of adhesive, either allow the melt unit to cool or drain the
adhesive from the tank.
2.
If the system is hot, relieve pressure by actuating the
8
applicator(s) several times.
3.
Turn o ff the melt unit, and remove electrical power.
©Astro Packaging Rev D D2-15 Manual-19600-10-D215 7-9
4. Remove all hoses and pressure gauge, if present, from
the flow control block [1].
5. Carefully remove the plug [12] and o-ring [13] from the
bottom of the pump block [3], and drain the melted adhesive.
6. Remove the long socket head cap screws [16] that hold
the pump block [3] to the bottom of the tank.
7. Remove the 4 bolts [9], washers [10] and spacers [11]
that hold the pump block [3] to the motor mount [8].
8. Once all 4 fasteners [9, 14] are removed from the pump
block; move the pump block assembly towards the rear of the
chassis.
9. On the replacement pump block [3] assembly; loosen
the pump coupling [6]. Ensure that the key [5] is installed on the
shaft [4]
10. Insert the grip sleeve [7] into the pump coupler [6].
11. Coat the surface of the pump block [3] that contacts
the base of the tank high temperature silicone grease provided.
Ensure that the o-ring [2] is in place.
12. Place the new pump block [3] assembly into the motor
mount [8]. Align the pump coupler [6] with the motor coupler,
and slide the new assembly into place.
13. Loosely insert the 4 bolts [9] and washers [10] through
the motor mount [8] into the pump block [3]. Ensure that the
spacers [11] are in place between the motor mount [8] and the
pump block. [3]. Do not tighten the bolts at this time.
14. Insert the socket head cap screws [14] up through the
pump block [3] into the tank bottom. Tighten only finger tight.
15. Tighten the 4 bolts [9] and washers [10] through the
motor mount [8] and the 4 socket head cap screws [14] through
the pump block [3].
16. Reinstall the hoses and pressure gauge.
17. Warm up the melt unit. When the unit is hot, re-tighten
the screws mounted through the pump block [3].
18. Return the melt unit to service.