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Pump will not start
Check to see if the motor's hot. Thermal breaker may have
triggered and will reset when cool.
Check wall outlet for voltage (fuse or breaker).
Check integral non-serviceable; may have "opened" due to
improper duty cycle.
Check pressure switch operation and correct voltage at switch or
motor wires (as equipped).
Check rectifier or motor for open or grounded circuit.
Check for locked drive assembly.
Will not prime (no discharge / motor runs)
Check to see if out of product.
Check strainer for debris.
Check inlet tubing/plumbing for severe vacuum leak.
Check inlet/outlet tubing to see if it's severely restricted (kinked).
Check for debris in pump inlet/outlet valves.
Check for proper voltage with the pump operating (±10%).
Check pump housing for cracks.
Kits are readily available to repair standard 802X series pumps. Repair kits include simple, illustrated instructions allowing easy
installation. To ensure that the correct kit is received, the model number and all nameplate data must be included with the order.
Contact your local SHURFLO distributor to order the necessary repair kit.
TROUBLESHOOTING
Leaks from pump head or switch
Check for loose screws at switch or pump head.
Check to see if switch diaphragm is ruptured or pinched.
If fluid is present at bottom of drain, check for punctured
diaphragm.
Pump will not shut-off (pressure switch equipped)
Check to see if output line is closed and not leaking.
Check for trapped air in outlet line or pump head.
Check for correct voltage to pump (±10%).
Check inlet/outlet valves for debris or swelling.
Check for loose drive assembly or pump head screws.
Check pressure switch operation. If adjustment is incorrect, refer
to SHURFLO Bulletin #1031 for differential and pressure adjustment
procedure.
Noisy / rough operation
Check to see if mounting feet are compressed too tight.
Does the mounting surface multiply noise (flexible)?
Check for loose pump head or drive screws.
Is the pump plumbed with rigid pipe, causing noise to transmit?
SERVICING
#
Description
1
Complete Pumphead
2
Pressure Switch Assy.
3
Check Valve Assy.
4
Upper Housing
5
Standard Valve Assy.
6
By-Pass Valve Assy.
7
Standard Diaphragm & Pistons
8
Standard Drive Assy.
9
Motor
10
Solid Diaphragm Drive Assy.
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