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Maintenance
DAILY: Check hydraulic oil level and fill as
necessary.
DAILY: Check hose for wear and damage.
DAILY: Check trigger lock for proper
operation.
DAILY: Check prime/drain valve for proper
operation.
DAILY: Check that displacement pump is
tight.
3A4401A
DAILY: Check level of Throat Seal Liquid
(TSL) in displacement pump packing nut. Fill
nut, if necessary. Keep TSL in nut to help
prevent fluid buildup on piston rod and
premature wear of packings and pump
corrosion.
WEEKLY/DAILY: Remove any debris or
SEMI-ANNUALLY: Check belt wear.
Replace if necessary.
AFTER EACH 500 HOURS OR 3 MONTHS
OF OPERATION: Replace hydraulic oil and
filter with Graco hydraulic oil 169236 (5
gallon/20 liter) or 207428 (1 gallon/3.8 liter)
and filter 246173. Oil change interval
dependent on environmental conditions.
YEARLY OR 2000 HOURS: Replace belt.
Maintenance
19
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