Maintenance
3A4102C
25
Maintenance
NOTE:
For detailed engine maintenance and
specifications, refer to separate Briggs &
Stratton Vanguard 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 Packing Seal Fluid
(PSF) in displacement pump packing nut. Fill
nut, if necessary. Keep PSF in nut to help
prevent fluid buildup on piston rod and
premature wear of packings and pump
corrosion.
GASOLINE ENGINE, AFTER THE FIRST 5
HOURS OF OPERATION
: Drain engine oil
and refill with clean oil. Reference Briggs &
Stratton Vanguard 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 Briggs & Stratton Vanguard
dealer.
WEEKLY/DAILY:
Remove any debris or
media from hydraulic rod.
AFTER EACH 50 HOURS OF OPERATION:
Change engine oil. Reference Briggs &
Stratton Vanguard Engines Owner's Manual
for correct oil viscosity.
SEMI-ANNUALLY:
Check belt wear.
Replace if necessary.
AFTER EACH 100 HOURS OF
OPERATION:
Change gear reduction oil.
Reference Briggs & Stratton Engine Owner’s
Manual for correct gear reduction oil type.
AFTER EACH 500 HOURS OR 3 MONTHS
OF OPERATION:
Replace hydraulic oil and
filter with 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.
SPARK PLUG:
Use Briggs & Stratton part
number 491055. Gap plug to 0.028 to 0.031
in. (0.7 to 0.8 mm). use spark plug wrench
when installing and removing plug.
Summary of Contents for HSS9950
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