BigDog
®
Mowers A Series
Maintenance Schedule
Refer to Figure 4-12, Figure 4-13,& Figure 4-14
SERVICE AT
INTERVALS INDICATED
WEEKLY
OR 40
HOURS
MONTHLY
OR 100
HOURS
ANNUALLY
OR 300
HOURS
Verify safety start interlock system
Prior to each use
Visually inspect unit for loose hardware and/or damaged parts
Prior to each use
Visually inspect tires
Prior to each use
Check oil level, engine (1)
Prior to each use or every 4 hours
Clean air intake screen (4)
Prior to each use or every 4 hours
Check fuel level
Prior to each use
Blades - sharpen & securely fastened
Prior to each use
Discharge chute - securely in place & in lowest position
Prior to each use
Replace air cleaner paper element (4)
As needed
Clean engine and transaxle compartment
Daily
Change transaxle oil and filter (7)
Every 200 hours or 2 years
Grease deck height pivots
X
Grease gauge wheel bearings
X
Change engine oil and filter (1) (3)
X
Clean cylinder and head fins (a)
X
Check battery connections
X
Check tire pressure with a gauge
X
Check hydraulic oil level
X
Clean engine exterior (a)
X
Clean & regap spark plugs (a)
X
Check pump and deck belt tension and condition (5)
X
Check fuel system (6)
X
Check hydraulic lines
X
Tighten lug nuts on wheels (2)
X
Change fuel filter
X
Replace spark plugs
X
Replace fuel evaporation system filter (8)
X
Check ROPS mounting hardware (9)
X
603744_0911
4-9
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 conditions 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 6 months or 100 hours
and replace if worn or cracking is noticed. Otherwise,
replace every 200 hours or 2 years
which-
ever comes first.
6.
Check fuel system for any cracks or leaks including but not limited to fuel line hoses, fuel valve, vent line hoses, vent valve, vapor valve, carbon canister and
grommets.
7.
Initial system oil and filter change
must
be after the first 75 hours of use or 1 year whichever comes first. Thereafter, replace filter and oil in each transaxle every
2 years or 200 hours, whichever comes first.
8.
More often under dusty or dirty conditions and during hot weather.
9.
Inspect ROPS after the first 20 hours of operation and then after every 500 hours of operation or yearly whichever comes first.
REFERENCES:
A.
Refer to Engine Owner’s Manual
NOTE:
After completing maintenance cycle (300 hours), repeat cycle.
Summary of Contents for BigDog
Page 1: ...603744_0911 BigDog Mowers A Series Operator s Manual P O Box 7000 Hesston Kansas 67062 2097...
Page 2: ...603744_0911...
Page 4: ...c 2 603744_0911...
Page 6: ...1 2 603744_0911...
Page 12: ...2 6 603744_0911...
Page 14: ...2 8 603744_0911...
Page 34: ...Cap screws Upper control lever Lower control lever Figure 4 11 4 8 603744_0911...
Page 38: ...5 2 603744_0911...