HydraMaster Boxxer 421 - Page 46

BOXXER 421 MAINTENANCE LOG
MAX
HRS
DAILY SERVICE
OIL RECOMMENDATIONS
8
8
8
8
8
8
ENGINE OIL - check
PUMP OIL - check
GARDEN HOSE SCREEN - clean
MACHINE - general inspection
VACUUM TANK FILTER BAG - clean
BLOWER INLET - spray with lubricant
BLOWER
PUMP
ENGINE
40 weight non-detergent
5 - 30 weight synthetic motor oil
30 weight motor oil
NOTE: Overhead valve engines can use multi-viscosity oil, but will
experience increased oil consumption
WEEKLY SERVICE
DATE & HOURS
See Note
25
25
25
25
25
25
25
25
25
25
25
50
OIL - change with filter
BLOWER - check oil level
DRIVE SYSTEM - tighten screws
BELTS & PULLEYS - check for wear
HIGH PRESSURE LINES - check for
chafing
NUTS & BOLTS - check tightness
“Y” FILTER - check and clean
ORIFICE - inspect
VAC. RELIEF VALVE - inspect, clean, lube
VACUUM TANK - clean
WIRING - check for chafing
CHEMICAL SYSTEM - flush with vinegar
ENGINE OIL - change
Note: Break-in period determined by manufacturer. Refer to engine manual.
MONTHLY SERVICE
100
100
100
100
OIL FILTER - change
ENGINE AIR CLEANER - clean
BYPASS VALVE - grease piston and o-rings
BATTERY WATER LEVELS - check
QUARTERLY SERVICE
(3 MONTHS)
300
300
300
400
400
400
FUEL LINES - check
SPARK PLUGS - clean and gap
DRIVE COUPLER - check for wear
BLOWER - change
BLOWER - grease bearing
PUMP OIL - change