Summers Truck Supersprayer - Manual (Page 37)

5.
SECTION 5 - TROUBLESHOOTING
5. SPRAYER SYSTEM TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION
1. Pump does not develop pressure.
A. Insufficient water to prime pump.
Fill tank to a point above pump level. Open
agitation valves.
B. Frozen impeller. Split water pump and free impeller.
C. Incorrect pump.
See Hypro Pump Selection guide for more infor-
mation.
D. Defective shaft seals. Replace seals as necessary.
E. Pump does not run fast enough. Adjust engine RPM.
2. Raven SCS-205 Control does not
work properly.
See Raven Sprayer Control Systems manual for
more information.
3. Raven SCS-450 Control does not
work properly.
See Raven SCS-450 manual for more informa-
tion.
4. Regulator valve does not regulate
pressure.
A. Master switch must be ON and
one or more boom switches must
be ON.
Turn master switch ON and turn one or more
boom switches ON.
B. Regulator valve is in a neutral
position.
Hold pressure adjust switch up to 90 seconds
until valve moves into adjusting range.
C. Improper voltage or poor electrical
connection.
Listen to motor while switch is activated. If
nothing is heard, check voltage and connections.
If motor runs but pressure does not change,
replace regulator valve.
5. Ball Valves do not open or close.
A. No electrical power to valve.
Should hear motor run when
turned on and off.
Check electrical connections. See Ball Valve
manual for more information.
B. Incorrect power supply.
Positive and negative leads may be reversed or
there is an open circuit in wiring to valve.
6. Not getting applicaiton rate for a
given pressure setting.
A. Plugged strainer. Clean strainer.
B. Plugged nozzle screens. Clean nozzle screens.
C. Speed reading indorrect. Recalibrate speed signal.
7. Booms do not break away freely.
A. Break-away tension spring im-
properly adjusted.
Adjust spring pressure. (Grease break-aways
daily.)
8. Booms strike the ground often.
A. Self leveling feature inoperative. Unlock swining center and lube swing arms.
B. Out of adjustment. Adjust boom level and suspension.
C. Rough, uneven terrain. Reduce travel speed.
9. Booms do not go into transport
rests.
A. Out of adjustment. Adjust transport rests.
B. Center section not locked. Apply swing locks.
10. Sprayer does not quit spraying
when master boom switch is
turned off.
A. Sprayer remote not turned on.
Remote control must be left on at all times while
Raven 450 console is operating.
B. Diaphragm caps on nozzle bodies
not shutting off.
Diaphragm gaskets need cleaning, too low psi
diaphragm for spray pressure behing used.
11. Sprayer remote does not function.
A. Remote not sired correctly.
Two blue wires on remote connect ot orange and
orange/white wires on Raven wire harness.
B. Raven 450 console wire harness
connected wrong.
450 console harness must have power leads
hooked closest to console.
12. Spray pressure falls off when
boom valves turned on.
A. Plugged main line strainer (filter). Flush filter with cleaner and blow off with com-
pressed air.
B. Supply line to pump is restricted. Check for debris in main suction line.
C. Speed reading is not correct. Check speed cal. number.