Stermay HT-788A, Operation Instruction Manual

5

IMPORTANT

※

 Power supply must be DC 12V. (FIG1)

※

 This pump has two built-in devices, 

one has function of high air flow and 

low-pressure, the other has function 

of high-pressure and low air flow. 

When the pump starts it will be on a 

low-pressure pump until the pressure 

is not enough, then the pump will 

automatically switch over to the high pressure pump and 

inflate the item to its set pressure. 

※

 Do not allow unspecified persons to operate the pump, 

unless completely use the pump under the professional 

guidance and supervision.

※

 Don't block the inflation&deflation port, make sure to keep 

ventilative all the time.

※

 Comply with the local waste disposal regulations, never allow 

to throw away the pump randomly.

※

 This pump has pressure induction system. This system has 

pressure error which is about 0.5 PSI up or down. 

(FIG1)

HT-788A  DC12V

Do not stop working until reach set pressure, 
otherwise, the pump can't continue to work after 
stop. You have to release the air from products 
first, and then rework.