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Maintenance
Maintenance
Prior to performing any maintenance procedures,
follow Pressure Relief Procedure, page 64.
Preventative Maintenance Schedule
The operating conditions of your particular system
determine how often maintenance is required.
Establish a preventive maintenance schedule by
recording when and what kind of maintenance is
needed, and then determine a regular schedule for
checking your system.
Proportioner Maintenance
Wet Cup
Check the wet cup daily. Keep it 2/3 full with Graco
Throat Seal Liquid (TSL
not overtighten packing nut/wet cup.
Fluid Inlet Strainer Screens
Inspect fluid inlet strainer screens daily, see
Flush Inlet Strainer Screen, page 67.
Grease Circulation Valves
Grease circulation valves (SA, SB) with Fusion
grease (117773) weekly.
ISO Lubricant Level
Inspect ISO lubricant level and condition
daily. Refill or replace as needed. See
Pump Lubrication System, page 68.
66
) or compatible solvent. Do
®
Compressor Tank Water Drain
Open the manual water drain valve weekly. See
valve location on page 34. Open only when air
pressure is less than 25 psi.
Dust Protection
Use clean, dry, oil-free compressed air to prevent
dust buildup on control modules, control boards,
fans, and motor (under shield).
Coolant Levels
Check coolant level inside both overflow tanks daily.
Flush and refill the coolant on both the engine and
heat exchanger coolant loop once a year. See
Refill Proportioner Coolant Loop, page 70. See
Refill Engine Coolant Loop, page 71.
Engine Maintenance
The engine instructions that accompany your
unit detail specific procedures for maintenance of
the engine. Following the engine manufacturer's
recommendations will extend engine work life.
Daily
• Cooling System Coolant Level — Check
• Engine Air Cleaner Service Indicator — Inspect
• Engine Oil Level — Check
Every 500 Service Hours or 1 Year
• Engine Air Cleaner Element (Dual Element) —
Clean/Replace
• Engine Oil and Filter — Change
• Fuel System Filter — Replace
• Battery Voltage — Check. See
Appendix A: Engine Control Module, page 90.
3A1705E
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