Page Number - 9
Form 403846
TROUBLESHOOTING
Problem
Possible Cause
Solution
Pump does not operate.
Restricted or inadequate air supply.
Check air supply pressure and air hose
diameter (see Airmotor manual for
minimum air supply hose diameter)
Obstructed material output,
Check output line for restrictions.
Erratic or accelerated operation.
Pump is not primed.
Prime pump (see "Pump Priming"
Instructions).
Insufficient material supply
Refill material supply.
Material is too heavy for priming.
Lower output with material valve. Increase
pressure to pressure primer (if in use).
Check for inlet restrictions.
Pump operates on "down" stroke only
Worn or damaged Piston O-rings (Item 21)
Check and replace if needed.
(missing "up" stroke)
or Piston Check (Items 22 & 23).
Pump operates on "up" stroke only
Worn or damaged Inlet Check (Items 32
Check and replace
if needed.
(missing "down" stroke).
& 33).
Insufficient material supply. Pump is not
Check inlet for restrictions Lower output
intaking enough material to dispense on
with material valve.
both strokes.
Pump is operating but not dispensing
Inlet Check (Items 32 & 33) is not seating
Check and replace if needed.
material.
or is damaged
Models 84918 and 84919
POWER-MASTER III TRANSFER PUMPS
Shovel Type Foot Valve
Declaration by the manufacturer as defined by Machinery Directive 89/392EEC Annex IIB
Herewith we declare that the supplied model of PowerMaster Pumps 84918 and 84919.
Is intended to be incorpoated into machinery covered by this directive and must not be put into service until the machiner into
shich it is to be incorpoated has been declared in conformity with the provisions of the directive 91/386/EEC.
Applied harmonized standards in particular:
EN 292
Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles and
specifications
EN 809
Pumps and pump units for liquids - Common safety requirements
EN 983
Safety of machinery - Safety requirements for fluid power systems and their components - Pneumatics
EN 1050
Safety of machinery - Principles for risk assessment
Paul Conley, Cheif Engineer
8/24/09
To order call 1-800-548-1191 or visit www.partdeal.com - [email protected]
