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6. MAINTENANCE
Bulldog
®
6.1 PERIODIC MAINTENANCE SCHEDULE
Description Interval Part Number
Engine Oil and Filter
Check oil level daily.
Replace oil and filter at 25 hours, then every 100 hours.
P/N 39061
Air Filter
Diesel
Check/clean daily.
Replace air filter element every 40 hours. P/N 36559 Primary
P/N 36561 Safety
Fuel Filter/Lines/Tank
Separator
Fuel Lines
Tank/Strainer
Replace water separator filter every 100 hours.
Inspect weekly. Replace every 2 years.
Drain/clean every year.
P/N 30345
P/N 46186
P/N 39056
Injectors
Clean/set injectors every 250 hours. P/N 38505
Engine RPM
Check every 100 hours.
Battery/Charging System
Check/clean battery and connections every month.
Check charging system every month.
P/N 36768
(12v 1000CCA 24-72P)
13-14 volts at full RPM
Valve Clearances
Service every 250 hours.
Hardware/Engine Bolts
Check/tighten all hardware every 250 hours. Torque engine
mounting bolts 33 ft. lbs.
Hydraulic System
Filter
Strainers
Breather
Strainer Basket
Check oil daily. Replace every 800 hours or yearly.
Replace filter at 5 hours then every 100 hours.
Replace strainers every 800 hours or yearly.
Check daily. Replace every 800 hours or yearly.
Check weekly.
Mobile 424
P/N 39993
P/N 47514
P/N 46934
P/N 46951
Eccentric Housing Oil
Replace after 500 hours or yearly. SAE 30W
Anti-Crush Bar
Check daily for proper operation. Check parts bi-monthly
for excessive wear or stress.
Scrapers
Clean and check daily.
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