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Chapter 6
Water System
Table of Contents
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Nozzle Size and Approximate Depth Chart . . . . . 2
WATER SYSTEM SCHEMATIC . . . . . . . . . . . . . . . . 3
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Accumulator Charging Valve
and Pressure Gauge
. . . . . . . . . . . . . . . . . . . . 4
Accumulator Seal Installation Tool . . . . . . . . . . . 4
Accumulator Cap Wrench . . . . . . . . . . . . . . . . . . 5
Water System Pressure Gauge . . . . . . . . . . . . . . 5
Flow Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Valve Lift Indicator . . . . . . . . . . . . . . . . . . . . . . . . 6
Valve Spring Compressor . . . . . . . . . . . . . . . . . . 6
Water Valve Seal Installation Guide . . . . . . . . . . 7
Pump Seal Installation Guide . . . . . . . . . . . . . . . 7
Seal Installation Mandril . . . . . . . . . . . . . . . . . . . 7
Filter Body Wrench . . . . . . . . . . . . . . . . . . . . . . . 7
Pump Seal Extraction Tool . . . . . . . . . . . . . . . . . 8
Pump Seal Outlet Cover . . . . . . . . . . . . . . . . . . . 8
Pump Wear Sleeve Driver . . . . . . . . . . . . . . . . . . 8
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . 9
Troubleshooting Water System Problems . . . . . . 9
TESTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Before Performing Water System Tests . . . . . . 12
TEST NO. 1: Accumulator Pre-Charge Pressure
and Adding Dry; Nitrogen . . . . . . . . . . . . . . . . 13
TEST NO. 2: Water System Pressure and Flow 15
TEST NO. 3: Water Valve Lift . . . . . . . . . . . . . . 17
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Electric Clutch Adjustment . . . . . . . . . . . . . . . . . 18
Water Valve Lift . . . . . . . . . . . . . . . . . . . . . . . . . 18
REPAIRS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Drive Coupling and Clutch
Removal and Installation . . . . . . . . . . . . . . . . 20
Pump Drive Belt Replacement . . . . . . . . . . . . . 21
Water Filter Replacement . . . . . . . . . . . . . . . . . 22
Water Pump Removal and Installation . . . . . . . 23
Water Pump Head Service . . . . . . . . . . . . . . . . 24
Water Pump Crankcase Service . . . . . . . . . . . . 26
Water Valve Service . . . . . . . . . . . . . . . . . . . . . 29
Gear Case Service . . . . . . . . . . . . . . . . . . . . . . 32
Nozzle Service and Replacement . . . . . . . . . . . 33
Accumulator Replacement . . . . . . . . . . . . . . . . 34
Accumulator Service . . . . . . . . . . . . . . . . . . . . . 36
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . 38
Cold Weather Storage . . . . . . . . . . . . . . . . . . . . 38
HydroJect 3010 Page 6 - 1 Table of Contents