BigDog MOWER CO - Maintenance; Maintenance Schedule

Verify safety start interlock system
Visually inspect unit for loose hardware and/or damaged parts
Visually inspect tires
Check oil level, engine (1)
Clean air intake screen (4)
Check fuel level
Blades - sharpen & securely fastened
Discharge chute - securely in place & in lowest position
Check tire pressure with a gauge
Clean engine and transaxle compartment
Grease deck height pivots
Grease gauge wheel bearings
Change engine oil & filter (1)(3)
Check battery connections
Clean engine exterior (a)
Replace air cleaner paper element (4)
Check pump & deck belt tension and condition (5)
Check fuel system (6)
Check fuel tank grommet (6)
Tighten lug nuts on wheels (2)
Change fuel filter (6)
Replace fuel evaporation system filter (7)
Grease frame pivot joints (8)
Grease frame pivot lock joints (8)
121536 8-1 REV A
MAINTENANCE
NOTES:
1. Initial oil change is after 5 hours of operation. Thereafter, change oil after every 40 hours operation. Change more often under dusty or dirty con-
ditions and during hot weather periods.
2. Torque initially and after first 2 hours of operation.
3. Change engine oil filter per the engine manufacturer’s recommendations. Refer to Engine Owner’s Manual for recommendations and other
maintenance items.
4. Service more often under dusty or dirty conditions.
5. Pump drive belt only - Inspect every month and replace if worn or cracking is noticed. Otherwise, replace every 2 years.
6. Check fuel system for any crack or leaks including, but not limit to, fuel line hoses, fuel valve, vent line hoses, vent valve, vapor valve, carbon can-
ister, and grommets. Replace as needed.
7. More often under dusty or dirty conditions and during hot weather.
8. Do not over grease. Wipe off any excess grease.
REFERENCES:
A. Refer to engine owner’s manual for engine service information.
NOTE: After completing maintenance cycle (100 hours), repeat cycle.
Maintenance Schedule
Refer to Figure 8-1, Figure 8-2, Figure 8-3, Figure 8-4,
Figure 8-5, Figure 8-6 & Figure 8-7
SERVICE AT
INTERVALS INDICATED
WEEKLY
OR 40
HOURS
ANNUALLY
OR 100
HOURS
Prior to each use
Prior to each use
Prior to each use
Prior to each use or every 4 hours
Prior to each use or every 4 hours
Prior to each use
Prior to each use
Prior to each use
Prior to each use
After each use
X
X
X
X
X
X
X
X
X
X
X
X
X
X