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6. MAINTENANCE
Bulldog
®
6.2 MAINTENANCE/LUBRICATION CHECKS
Never work on Bulldog with engine running.
Severe personal injury may occur.
Disconnect battery to avoid accidental ignition of
engine. Severe personal injury may occur.
6.3 ENGINE MAINTENANCE
Refer to the engine Owner's Manual provided with
Bulldog prior to operating equipment.
6.4 HYDRAULIC OIL - MOBIL 424
Check hydraulic oil level daily using the sight gauge
located on hydraulic tank. A 1/2" air bubble will be
seen at the top of the gauge. Warning--never overfill
the hydraulic tank. Replace hydraulic fluid every
800 hours or yearly.
6.5 HYDRAULIC OIL FILTER
Change hydraulic oil filter at 5 hours then every 100
hours.
CAUTION: The oil filter should be changed after a
new unit has run 5 hours. This is to rid the system of
any trapped contamination from the wear-in of parts.
A filter has been provided for this purpose.
6.6 ENGINE OIL & FILTER
Replace engine oil filter at 25 hours then every 100
hours.
6.7 ENGINE AIR FILTER
Check daily, change every 40 hours P/N 36387.
Failure to clean and change the air filter regularly
will result in engine damage.
6.8 FUEL FILTER/WATER SEPARATOR
Replace engine fuel filter every 100 hours or
monthly.
6.9 HYDRAULIC OIL BREATHER
Check daily. Replace the hydraulic oil breather every
800 hours or yearly.
CAUTION: This breather is designed to pressurize
the reservoir to 5 PSI (34.5). Loosen cap slowly to
avoid injury whenever adding fluid or working on the
hydraulic system.
6.10 CHARGE SYSTEM
Charge system should be checked every month. With
the engine running at full speed, voltage should be
13-14 volts.
Always connect grounded cable last. Clean and
securely connect each cable to the battery terminal
of the same polarity. The battery should be securely
fastened with properly installed hold-downs.
6.11 BATTERY
EXPLOSION WARNING! Cigarettes, flames or
sparks could cause battery to explode. Always shield
eyes and face from battery. Do not charge or use
booster cables or adjust post connections without
proper instruction and training. KEEP VENT CAPS
TIGHT AND LEVEL.
POISON WARNING! Contains sulfuric acid. Avoid
contact with skin, eyes or clothing. In event of
accident, flush with water and call a physician
immediately. KEEP OUT OF REACH OF
CHILDREN.
Periodic battery maintenance is necessary to keep
your unit reliable. Once a month check for proper
battery charge, 12.5 volts. Make sure the cables are
clean and tight. Keep the top of the battery clean and
dry. Remove and clean battery posts and terminals
every 6 months.
Note: Battery is maintenance free type, do not add
water.
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