Shark BG-2820 User Manual

97-707 • Bg • reV. 7/06

PRESSURE

ASHER

oub

leshooting Guide

pRoBleM

poSSIBle CAUSe

SolUTIoN

loW opeRATING
pReSSURe

insufficient water supply. closed
faucet

use larger garden hose; clean inlet water
screen. open faucet.

old, worn or incorrect spray
nozzle

match nozzle number to machine and/or
replace with new nozzle.

plumbing or hose leak

check plumbing system for leaks. re-tape
leaks with teflon tape.

Faulty or mis-adjusted unloader
valve

adjust unloader for proper pressure. install
repair kit when needed. call technical support.

Worn packing in pump

call technical support.

machine has been stored in
freezing temperatures

thaw out machine completely, including hose,
spray gun and wand.

slow engine rpm

call technical support.

FlUCTUATING
pReSSURe

Worn pump valves

call technical support.

dirt in pump valves

call technical support.

pump sucking air

check all pump lines and connections.

pReSSURe loW
AFTeR peRIod oF
NoRMAl USe

nozzle worn

replace nozzle.

unloader valve worn

replace unloader valve.

eNGINe WIll NoT
START oR STopS
WHIle opeRATING

low oil shutdown

Fill engine with oil.

eNGINe IS
oveRloAded

nozzle partially blocked

clean nozzle.

excessive pressure from high
engine rpm

adjust engine throttle to lower rpm.

WATeR oR oIl
leAkING FRoM
BoTToM oF pUMp

a small amount of leaking is
normal

if excessive leaking occurs, call technical sup-
port.

pReSSURe
INCReASeS WHeN
SpRAY GUN IS
CloSed

unloader valve not operating
properly

call technical support.

pReSeNCe oF
WATeR
IN pUMp oIl

Water sprayed at machine

change oil. direct spray away from machine.

High humidity in air

check and change oil twice as often.

piston packing worn. oil seal
worn

call technical support.

TRoUBleSHooTING