HERO 330SEL Manual

H.E.R.O. INDUSTRIES LTD. 330SES / 330SEL MANUAL -“B” VERSION
35
AIRLESS SPRAY EQUIPMENT
SAFETY, OPERATING AND
MAINTENANCE INSTRUCTIONS
AND PARTS LIST
Do Not attempt to operate this machine until you have read and understand
ALL safety precautions and operating instructions.
Equipment and chemicals when used improperly can be dangerous
1997 VERSION
BEGINNING AT
SERIAL NUMBER
330SES -760381
330SEL -780651

H.E.R.O. INDUSTRIES LTD. 330SES / 330SEL MANUAL -“B” VERSION
1
H.E.R.O. WARRANTY
H.E.R.O. INDUSTRIES , guarantees this airless pump to be free of defects in
materials and workmanship to the original owner, for a period of one full year
from the date of purchase.
The warranty entitles the owner to parts replacement at no charge. The parts
replacement warranty is valid for any necessary replacement, whither caused
by material or workmanship defect or simple wear. The hydrapulse membrane
(part# 4-04-22-4500) is warranted for LIFE. Installation costs for the
hydrapulse membrane is provided for the first 12 months only. H.E.R.O.
Industries offers no warranty on the intake ball, outgo ball, drive belt, hoses,
gun or accessories, plastic, rubber, other soft goods or motor used in or
supplied with the H.E.R.O. sprayer.
Motor, accessories, etc., which are supplied by other manufacturers and are
attached to or supplied with the H.E.R.O. airless pump, are warranted only to
the extent that these parts are warranted by their respective manufacturers.
Warranty claims must be made directly to such manufacturers or their local
authorized service depots.
The warranty is only applicable to the original purchaser and the equipment
has been properly used, operated and maintained in accordance with all
instructions, precautions and warnings contained in this manual. For the
purpose of this warranty, damage resulting from accident, abuse, improper
cleaning or operation, fire, flood, or Act of God, is not covered.
H.E.R.O.’s liability is limited to replacing parts found to be defective or worn
and does not include; transportation costs, damage or other expenses of any
kind incurred in connection with the purchase and use of this sprayer.
Repairs claimed under warranty must be performed at an authorized H.E.R.O.
Service Center, using only genuine H.E.R.O. parts. Parts necessary under
warranty claim will be supplied by your local H.E.R.O. Service Center.
DO NOT return worn parts to factory without authorization.
To qualify for the warranty, the warranty card (attached to this page) supplied
with this H.E.R.O. airless pump, must be completed with equipment serial
number and signed by the purchaser, and postmarked within ten (10) days of
purchase.

H.E.R.O. INDUSTRIES LTD. 330SES / 330SEL MANUAL -“B” VERSION
2
TABLE OF CONTENTS
For greatest user satisfaction, please familiarize
yourself with all maintenance and operational instructions
Important Safety Precautions ..............................................................................................3-4
Introduction...........................................................................................................................5
Operating Instructions............................................................................................................5
Setting Up To Spray..............................................................................................................6
Flushing The Unit..................................................................................................................7
Special Notes.........................................................................................................................8
Airless Spray Painting Suggestions ...................................................................................9-11
Trouble Shooting............................................................................................................12-20
Hydrapulse Membrane Replacement....................................................................................21
Intake Seat Replacement ......................................................................................................22
Piston Repairs.................................................................................................................23-24
Outgo Valve ........................................................................................................................25
Prime Valve Repairs............................................................................................................26
Pressure Control Valve Repairs............................................................................................27
Accessories .........................................................................................................................28
Parts List And Descriptions.............................................................................................29-32
Hardware and Motor Parts...................................................................................................32
Exploded Unit Diagram..................................................................................................33-34
IMPORTANT
NOTE: AS WITH ALL MECHANICAL EQUIPMENT, PROPER OPERATING AND
MAINTENANCE PROCEDURES ARE REQUIRED TO KEEP YOUR H.E.R.O. AIRLESS PUMP
PERFORMING TO YOUR SATISFACTION. THE FOLLOWING SAFETY, OPERATING AND
MAINTENANCE INSTRUCTIONS ARE IMPORTANT.
Read and understand this manual completely, especially with regard to all safety precautions. Read and
follow instructions on all warning labels on your equipment. Keep the warning labels clean and readable at
all times. Order new labels from your local distributor or from H.E.R.O. Industries if needed.
The manufacturer shall not be responsible for any loss, damages, or injury of any kind or nature whatsoever
resulting from the use the equipment other than in strict compliance with the instructions, cautions and
warnings contained in this operating and instruction manual and as displayed on the face of the equipment.
This system is capable of producing 2400 psi. ( spray pressure ). To avoid rupture and injury DO NOT
operate this pump with components rated less than 3000 psi. working pressure (including but not limited to
spray guns, hose and connections).
Before servicing, cleaning or removing of any part, shut off power and relieve pressure.

H.E.R.O. INDUSTRIES LTD. 330SES / 330SEL MANUAL -“B” VERSION
3
IMPORTANT SAFETY PRECAUTIONS
WARNING
Material issuing from the spray tip is at high pressure. If fingers, or any part of the body are placed near
the tip of the spray gun, it is possible that the spray could break the skin and inject some of the spray
material. If injury does occur, seek immediate attention of a medical doctor. Be prepared to inform the
doctor what fluid was injected, if the injury is of an injection nature. Equipment and chemicals when
used improperly can be dangerous!
ýNEVER place any part of the body in front of the spray tip or aim the gun toward any part of the
body.
ýNEVER point the gun toward any individual.
ýNEVER treat any injury as a simple cut. If injury does occur, seek immediate medical attention. Be
prepared to inform the doctor what fluid was injected.
ýNEVER allow another person to use the sprayer unless he is thoroughly instructed on its operation
and has read all safety precautions in this manual and all safety warning labels attached to unit.
ýNEVER use around children.
ýNEVER attempt to perform any maintenance or service on any part of the unit spray system without
first;
1. Shutting off the unit.
2. Disconnecting the power cord from the outlet.
3. Relieving all pressure in the pump by triggering the gun.
4. Locking gun trigger in "LOCKED" position, with gun locked closed.
ýNEVER operate the sprayer without the tip guard complete and in place.
ýNEVER spray any material in the vicinity of open flame, pilot lights, electrical outlets or any other
source of ignition.
ýNEVER spray volatile materials with flash points lower than 140 F (60 C).
ýNEVER attempt to stop any leakage in the paint line or at any fitting with your hand or any part of
your body. Immediately shut off the unit should leakage occur.
ýNEVER wash an electric motor, nor operate it in the rain or in wet or damp areas, to protect yourself
from electric shock.
ýNEVER allow paint hose to become kinked, or to vibrate against rough or sharp surfaces.
ýNEVER operate the unit at pressures higher than the pressure rating of the lowest rated component
in the system, or at pressure higher than factory preset.
ýNEVER spray in an enclosed area. The spraying area must be well ventilated to safely remove
chemical vapors.
ýNEVER operate the unit with worn or damaged accessories, or with accessories other than those
supplied by H.E.R.O. Industries, unless the accessories have been first specifically approved in
writing by H.E.R.O. Industries.
ýNEVER allow the unit to be serviced or repaired anywhere other than an authorized H.E.R.O.
Service Center, or with other than genuine H.E.R.O. parts or components.
ýNEVER leave unit unattended without first shutting off, triggering the gun to relieve all pump
pressure, and setting the trigger lock on gun in "LOCKED" position, with gun locked closed.

H.E.R.O. INDUSTRIES LTD. 330SES / 330SEL MANUAL -“B” VERSION
4
ALWAYS
þALWAYS follow H.E.R.O. recommendations for operation and safety completely.
þALWAYS ensure that switch is in off position before plugging in the electric motor.
þALWAYS set trigger lock on gun in "LOCKED" position when not in use, with gun locked close.
þALWAYS check connections and fittings for tightness before operating the unit.
þALWAYS locate the unit in a well ventilated area a minimum of 25 feet from the spray area.
þALWAYS ground the unit, the paint containers, and the object being sprayed to eliminate static
discharge. Ensure that all these objects remain grounded throughout the entire spraying operation.
þALWAYS use approved 3 prong grounded extension cord and approved grounded outlets of the
voltage and frequency specified on the motor. The outlet must be at least 25 feet from the spraying
area.
þALWAYS use approved 3 prong grounded extension cord not less than # 12/3 gauge up to 50 feet,
and not less than # 10/3 gauge up to 100 feet. DONOT exceed 100 feet of extension cord.
þALWAYS use accessories and components approved for at least 3000 psi (working pressure) in the
spraying system.
þALWAYS use accessories and components supplied by H.E.R.O. Industries, or specifically
approved in writing by H.E.R.O. Industries on with the unit
þALWAYS examine accessories for wear or damage before operating the unit
þALWAYS use lowest possible pressure when flushing and cleaning the unit, and hold the gun firmly
against a metal container to reduce static discharge possibility.
þALWAYS wear a face filter mask when operating the unit.
þALWAYS ;
1. Turn off the motor
2. Disconnect the power cord from the outlet.
3. Relieve all pressure in the pump by triggering the gun.
4. Lock gun trigger in "LOCKED" position, with gun locked closed before attempting to perform any
maintenance or service on any part of the unit spray system.
þALWAYS wear safety glasses when operating the unit.
þALWAYS ensure fire extinguishing equipment is readily available and properly maintained in the spray
area.
þALWAYS observe good housekeeping and keep the spray area free from obstructions.
þALWAYS be aware that certain chemicals may react with aluminum, carbide, or other components in
the pump system. Read the manufacturer's label on all materials to be sprayed, and follow the
manufacturer's recommendations. If in doubt, consult your material supplier to be sure.