Campbell Hausfeld DH5700 - Manual (Page 6)

Operating Instructions
Gravity Feed Spray Gun
6 www.chpower.com
User - maintenance
Instructions (Continued)
4 . Check and replace any damaged
o-rings and seals . O-rings and seals
can be wiped clean but not soaked
in solvent .
5 . Unscrew packing nuts and replace
the packing ONLY if a leak will not
stop when the nut is tightened (See
Figure 5) . Do not over-tighten a
packing nut because this will restrict
movement of the needle .
6 . Re-assemble in reverse order of
above and use a non-silicone oil on
moving parts . Apply Vaseline® or
light grease on threaded joints and
hose connections .
TECHNICAL SERvICE
Please call our Tool Hotline at 1-800-
543-6400 with any questions regarding
the operation or repair of this tool or
for additional copies of this manual .
TOOL REPAIR
Only qualified personnel should repair
the tool and they should use genuine
Campbell Hausfeld replacement parts
and accessories, or parts and accessories
which perform equivalently .
STORAGE
1 . When not using spray gun,
turn the fluid adjustment knob
counterclockwise to open which
will reduce spring tension on needle
fluid tip .
2 . Spray gun mUST BE well cleaned
and lightly lubricated .
Troubleshooting Chart
Stop using tool immediately if any of the following problems occur. Serious personal injury could occur.
Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.
Symptom Possible Cause(s) Corrective Action
Right or left
heavy spray
pattern 1 . Holes in left or right side of the air cap
are plugged
1 . Clean . Use only non-metallic pick
2 . Dirt on left or right side of fluid tip 2 . Clean
Top or
bottom
heavy spray
pattern 1 . Dried material at top or bottom of fluid
tip
1 . Clean
2 . Loose air cap or dirty seat 2 . Clean and tighten
3 . Air cap plugged 3 . Clean . Use only non-metallic pick
Split spray
pattern 1 . Fan pattern open too far 1 . Partially close the pattern adjustment
2 . Fluid turned in too far 2 . Increase fluid
3 . Atomization air too high 3 . Reduce atomization air pressure
Center
heavy spray
pattern 1 . Fan adjustment partially closed 1 . Open fan pattern adjustment
2 . Material too thick 2 . Thin to proper viscosity
3 . Atomization pressure too low 3 . Increase atomization pressure
Sputtering
spray 1 . Material level too low 1 . Refill
2 . Container tipped too far 2 . Hold more upright
3 . Loose fluid inlet connection 3 . Tighten
4 . Loose or damaged fluid tip / seat 4 . Adjust or replace
5 . Dry or loose fluid needle packing nut 5 . Lubricate and or tighten
6 . Air vent clogged 6 . Clear vent hole
Fluid leaking from packing
nut 1 . Packing nut loose 1 . Tighten, but do not restrict needle
2 . Packing worn or dry 2 . Replace or lubricate (non-silicone oil)