Schwarze Industries Hypervac - Troubleshooting the Auxiliary Engine; Troubleshooting the Water System

Section 5 - Troubleshooting
HV-18 revised 11/18 SCHWARZE HYPERVAC 67
5.2 Troubleshooting the Auxiliary Engine
Problem Possible Cause Remedy
Auxiliary Engine Will Not
Start
Dead Battery Charge or replace battery
Bad starter solenoid Replace solenoid
No power to console Find break in wire, reconnect,
Check breaker
No power to engine Check plug at front of auxiliary engine connecting
the engine wiring harness to main sweeper
harness
No power to shutdown solenoid Check engine module wiring
No fuel Fill fuel system
Improper starting procedure Review Section 4 - Operations
Loose battery connector Tighten connector
Any Additional Symptoms Please see the John Deere manual
5.3 Troubleshooting the Water System
Problem Possible Cause Remedy
No Water Exiting Pump Out of water Rell tank
Suction line clogged Clean ‘Y’ strainer
Air leak in line Tighten plumbing
Pump shaft not turning Check motor and electrical circuit
One Spray Nozzle Not
Working
Clogged strainer at nozzle Clean or replace nozzle strainer
Crimped or clogged water line Un-crimp or unclog line
Nozzle valve not on Switch nozzle valve on
Only One Spray Nozzle
Working
Clogged stainer at nozzle Clean ‘Y’ and then clean or replace nozzle
strainer
No water Rell water system
Wiring on solenoid Check power wire and ground, repair as needed
Bad solenoid Replace solenoid
Low Pressure Worn nozzle Replace with nozzle of proper size
Air leak in inlet plumbing Disassemble, reseal and reassemble
Relief setting too low Adjust relief valve on pump.
Water Draining From Nozzle
When Off
Leaking valve Clean valve
Any Additional Symptoms Please see the water pump manual