Maintenance - Graco DutyMax DH230 HD Operation, Parts

Maintenance

NOTE: For detailed engine maintenance and
specifications, refer to separate Honda or
Kohler Engine Owner's Manual, supplied.
DAILY: Check engine oil level and fill as
necessary.
DAILY: Check hydraulic oil level and fill as
necessary.
DAILY: Check hose for wear and damage.
DAILY: Check gun trigger lock for proper
operation.
DAILY: Check prime/drain valve for proper
operation.
DAILY: Check and fill the fuel tank.
DAILY: Check that displacement pump is
tight.
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.
GASOLINE ENGINE, AFTER THE FIRST 20
HOURS OF OPERATION: Drain engine oil
and refill with clean oil. Reference Honda or
Vanguard Engine Owner's Manual for correct
oil grade.
334606J
DIESEL ENGINE, AFTER THE FIRST 50
HOURS OF OPERATION: Drain engine oil
and refill with clean oil. Replace oil filter.
Reference Kohler Engine Owner's Manual
for correct oil grade.
WEEKLY: Remove engine air filter cover and
clean element. Replace element, if
necessary. If operating in an unusually dusty
environment: check filter daily and replace, if
necessary.
Replacement elements can be purchased
from your local HONDA/Kohler/Vanguard
dealer.
WEEKLY/DAILY: Remove any debris or
media from hydraulic rod.
AFTER EACH 100 HOURS OF
OPERATION: Change engine oil. Reference
Honda or Vanguard Engine Owner's Manual
for correct oil viscosity.
DIESEL ENGINE, AFTER EACH 250
HOURS OF OPERATION: Drain engine oil
and refill with clean oil. Replace oil filter.
Reference Kohler Engine Owner's Manual
for correct oil grade.
SEMI-ANNUALLY: Check belt wear.
Replace if necessary.
YEARLY OR 2000 HOURS: Replace belt.
Replace hydraulic oil with Mobil SHC 526 or
other high quality ISO viscosity grade 68
hydraulic oil. Replace hydraulic oil filter
246173.
SPARK PLUG: Use only BPR6ES (NGK) or
W20EPR-U (NIPPONDENSO) plug. Gap
plug to 0.028 to 0.031 in. (0.7 to 0.8 mm). use
spark plug wrench when installing and
removing plug.
Maintenance
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