Use and Care Manual

4
HARVEST RIGHT • 7 CFM Vacuum Pump Operating Manual • 800.865.5584 • [e-mail]
Part No. 10720-308HR 0717
©2017 Harvest Right Printed in the USA
TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Pump won’t start
1. Power cord not plugged in securely
2. Motor switch not on
3. Pump temperature below 30°F
4. Inconsistent line voltage
1. Plug power cord in securely
2. Turn motor switch to ON position
3. Warm up pump to 30°F and turn motor switch on
4. Line voltage must be within 10% of 115V
Pump won’t pull deep vacuum
1. Contaminated oil
2. Oil level too low
3. Air leak in system being evacuated
4. Pump inlet fittings missing or not tightened
5. Coupler slipping
1. Change oil
2. Add oil
3. Locate and repair leak(s)
4. Clean or replace o-ring
5. Tighten coupler setscrews to flats of cartridge and motor
Oil drips from point where shaft enters the
pump housing
Damaged shaft seal Replace shaft seal
Pump shuts down and will not start
Thermal overload may be open 1. Disconnect pump from system
2. Wait approximately 15 minutes for motor to cool
3. Turn pump on
4. If it cycles off again, return pump to factory for repair
Pump cycles on and off from a completely
cold start and then runs smoothly
1. Oil backed up into cartridge and was being cleared out
2. Pump has not been shut down properly
1. Remove vacuum hose
2. Turn pump on
3. Replace vacuum hose
RETURN FOR REPAIR
In the event your pump requires repair, please contact Harvest Right Customer
Service Department to obtain a Return Goods Authorization (RGA) number. Ensure
that all returned products are packed to avoid any damage in shipment. Paperwork
should be placed in a separate plastic bag and should include Harvest Right’s
assigned RGA number, a description of the problem and any customer assigned
repair or purchase order number, if applicable.
NOTE: Remove oil in pump before packaging shipment.
Contact Customer Service for RGA number:
800.865.5584 Toll
Harvest Right
RGA#_________
95 North Foxboro Drive
Suite 100
Noth Salt Lake, Utah 84054
WARRANTY
Harvest Right 7 CFM vacuum pumps are warrantied against defects in materials
and workmanship for one year—not filtering and changing oil will void warranty.
Products are guaranteed when used in accordance with our guidelines and
recommendations. Warranty is limited to the repair, replacement, or credit at
invoice price, (our option) of products which in our opinion are defective due to
workmanship and/or materials. In no case will we allow charges for labor, expense
or consequential damage. Repairs performed on items out of warranty will be
invoiced on a nominal basis; contact Harvest Right for details.
PUMP MAINTENANCE SCHEDULE
In order to maintain the performance and long life of your vacuum pump, follow the instructions found above. This is required in order to process warranty claims.
Most importantly, when this maintenance schedule is followed, your freeze dryer will work more efficiently and perform better. For questions about how to perform
any of this maintenance, please visit the links found in the table above or call Harvest Right Customer Support at 800.865.5584.
FREQUENCY MAINTENANCE INSTRUCTION VIDEO
At the End of Every Batch
Drain oil into oil filter https://youtu.be/zivKzXNEjmQ
At the Beginning of Every Batch
Add new or filtered oil
Every 20 Batches or as needed
Remove pump cover assembly https://youtu.be/M_um0M27w0g
PUMP MAINTENANCE SCHEDULE
FREQUENCY MAINTENANCE INSTRUCTIONS
At the End or Beginning of Every Batch Drain Oil into Oil Filter https://youtu.be/zivKzXNEjmQ
At the End or Beginning of Every Batch Add new or filtered oil
Every 20 Batches or as needed Remove Pump Cover Assembly https://youtu.be/M_um0M27w0g