![PREVENTIVE MAINTENANCE](/images/new-backgrounds/197277/19727713x1.webp)
PREVENTIVE MAINTENANCE
A t least twice dailyand durine any lenethy: interruption of sprayinq, with material pressure relieved: remove and clean gun spray t i p and t i p filter in clean solvent of a type recommended by manufacturer~. of the material beine_ smayed. . .Blow
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parts dry with air pressure. Also k e r s e gun nozzle in clean solvent during shutdown periods.
SHUTDOWN PROCEDURE
To maintain efficient operationof unit, t h i s shutdown procedure a t t h ecompletion of each day's spraying must be diligently followed:
1. Shut o f f a i r t opump by closing pump
Handle is a t r i g h t a n g l e petcocko body when closed.
2.Relieve material pressure inpump, hose and spray gun by opening drump valve of
filter cartridgeor screen, if used. Close drain valve.
type | 3 . |
| gun. | spray t i p and f i l t e r , if | used, | |||||
|
| Remove |
| |||||||
i'rom |
| spray |
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| Immerse in | cleanrecornended | ||||
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| solvent and | wash thoroughly with a fine | |||||||
bristled | brush. | Using the | air blower valve | |||||||
airmanifold | blov | |||||||||
a i r | through | t i p |
| from front | to back and through | |||||
open end | of | filter. | Refer to Fig.1. Keep | |||||||
spray gun | forward end submerged in && re- | |||||||||
cotmuended type.. | solvent | until | readyto start | |||||||
spraying | again. NOTE: | Do not remove the swaq | ||||||||
e m | from dispensine hose unless the unitis t o be | |||||||||
completely flushed. Keeping unit fully charged | ||||||||||
with material will | minimize~thenecessity for |
flushing u n i t .
m:Water based paints w i l l requke a
,final flushing with solventDAILY and also O i l i n g of all externalmoving pump p a r t s to prevent the rusting of the wetted parts. To completely flush unit follow the procedure outlined in subsequent paragraph entitled FLUSHINC UNIT.
-SERVICE DIAGNOSIS
TROUBLESOME sIMPpOM.5
Fump fails to operate, no material discharge | |||
Pump operates, but insufficient material discharge | |||
Insufficient material breakup | |||
Excessive surge at spray | gun | .................................................... | |
Tails | in spray pattern | ||
Spray | gun spitting |
| .......................... |
Too heavy a coating thic.ess | ............................ |
CHECK POINT NOS.
5-10-11
CHECK POINT NO. |
| mssmm CAUSES |
| - | |||
l. |
| Restricted ak. supply line. |
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2 | Insufficient | air | capacity. |
| |||
3. |
| Air | valve closed or clogged. | toolow. | |||
L |
| A i r | regulator | inoperative | or set | ||
5 |
| A i r | regllator | set toohigh. |
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6 | Material too | viscous |
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| |||
7 |
| Insufficient material in container. | |||||
e |
| Clogged materid | intake | strainer . | |||
lo9 |
| Clogged material | filter, | tipor | t i p f i l t e r . | ||
| Hish flow | ||||||
ll |
| Improper or worn | spray gun tip . |
| |||
12 |
| Surge chamber inactive, if used. | parts. | ||||
l? |
| Worn, damaged | or | obstructed gun | |||
U | ,. |
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| |
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| Worn or obstructed pump valves or packings. |
MAINTENANCE
IMPORTANT NOTES
1. Keev unit, mixine container. thinner, solvent. and material CLEAV and free of foreisn particles rbichcould clog strainer screens andl o r plug the small orificein spray tip.
2. Keep | lower vump | |
and smav mn head immersed | in recommended type | |
clean solvent | after f l u s h i n 4 | unit and u n t i l |
ready tostart sprayine again.
-3. TO reliive - unit Of unnecessary pressure when not in use, shutoff air pressure topump
7
and relieve material pressure in system by opening dump valve of manifold or f i l t e r .
4.Daily or ,more often if experience in- dicates necessar d r a i n f i l t e r or surge tank, re- more filter cart:idne or screen. if used, and
~ and close dump valve.
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