SINTERIT SANDBLASTER User Manual page 9

7.​ ​ P roblem​ ​ S olving:
​ ​ ​
F ault​ ​ s ymptoms
Excessive​ ​ d ust​ ​ i n​ ​ t he
sandblaster
Inconsistent​ ​ e ffects​ ​ o f​ ​ t he
abrasive​ ​ m aterial.
Incorrect​ ​ s peed​ ​ o r​ ​ i nefficient
sandblasting.
The​ ​ n ozzle​ ​ d oes​ ​ n ot​ ​ t urn​ ​ o ff.
Flow​ ​ o f​ ​ a brasive​ ​ i s​ ​ t oo​ ​ w eak
Flow​ ​ o f​ ​ a brasive​ ​ i s​ ​ t o​ ​ w eek
and​ ​ t he​ ​ N ozzle​ ​ h as​ ​ b een
cleaned.
Possible​ ​ c auses
1. Blocked​ ​ v ent​ ​ o r​ ​ a irflow.
2. Leakage​ ​ a t​ ​ t he​ ​ p neumatic
connections.
3. Too​ ​ m uch​ ​ a brasive​ ​ m aterial
in​ ​ t he​ ​ s andblaster.
1. Moisture​ ​ i n​ ​ t he​ ​ s andblaster.
1. Abrasive​ ​ m aterial​ ​ r unning
out.
2. Too​ ​ l ow​ ​ p ressure.
1. Incorrectly​ ​ c onnected​ ​ c ontrol
cable.
2. Lack​ ​ o f​ ​ i ntegrity​ ​ i n​ ​ t he
control​ ​ c able.
1. Nozzle​ ​ i s​ ​ c logged.
8
Remedial​ ​ a ctions
1. Clean​ ​ t he​ ​ v ent​ ​ a nd​ ​ k eep​ ​ i t
away​ ​ f rom​ ​ t he​ ​ w all.
2. Tighten​ ​ u p​ ​ t he
connections​ ​ a nd​ ​ c heck
that​ ​ t hey​ ​ a re​ ​ a ll​ ​ c orrect.
3. Remove​ ​ t he​ ​ e xcessive
abrasive​ ​ m aterial.
1. See​ ​ t he​ ​ S afety
Information.
1. Replace​ ​ t he​ ​ a brasive
material.
2. Increase​ ​ t he​ ​ i nlet​ ​ p ressure
and​ ​ c heck​ ​ t hat​ ​ t he​ ​ c ontrol
valve​ ​ i s​ ​ f ully​ ​ o pen.
Connect​ ​ t he​ ​ c ontrol​ ​ c able
properly.
1. Remove ​ ​ t he ​ ​ N ozzle ​ ​ a nd
clean ​ ​ i t ​ ​ w ith ​ ​ c ompressed
air
2. ​ ​ i nstall ​ ​ i t ​ ​ b ack
1. Remove ​ ​ t he ​ ​ N ozzle, ​ ​ c lose
a ​ ​ s andblaster ​ ​ a nd ​ ​ s tart ​ ​ t he
abrasive ​ ​ f low.
2. ​ ​ ​ ​ ​ ​ T his ​ ​ p rocess ​ ​ ​ ​ s hould
remove ​ ​ e very ​ ​ o bject ​ ​ t hat
is ​ ​ i n ​ ​ l ine ​ ​ d uct
3. ​ ​ I nstall ​ ​ t he ​ ​ N ozzle ​ ​ b ack