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604243 4-11 REV C
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 dur-
ing hot weather periods.
2.
Torque initially and after first 2 hours of operation.
3.
Perform initial hydraulic oil and filter change after 50 hours (one week) of operation.
4.
Change engine oil filter per the engine manufacturer’s recommendations. Refer to Engine Owner’s Manual for recommendations and other maintenance items.
5.
Service more often under dusty or dirty conditions. Use caution when servicing to prevent dust contamination in the engine. Do not clean filter element. Replace
with a new one.
6.
Pump drive belt only - Inspect belt every 100 hours and replace if worn or cracking is noticed. Check spring tension adjustment. Otherwise, replace belt
every 400 hours or 2 years whichever comes first. Check and adjust spring tension after 50 hours of use, as outlined in the Hydraulic Pump Belt Adjustment sec-
tion of the General Service Manual (117222).
7.
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 canister, and
grommets. Repair as needed.
MAINTENANCE SCHEDULE
Figure 4-20, Figure 4-21, Figure 4-22,
Figure 4-23, Figure 4-24, & Figure 4-25
SERVICE AT
INTERVALS INDICATED
WEEKLY
OR 50
HOURS
MONTHLY
OR 100
HOURS
ANNUALLY
OR 500
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 oil heat exchanger (8) Prior to each use or every 4 hours
Clean air intake screen (8) 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
Clean engine and pump compartment Daily
Replace air cleaner paper element (5) As needed
Change engine oil and filter (1) (4) 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
Grease deck pusher arms (5) X
Grease pump idler (5) X
Grease deck height pivots (5) X
Grease front wheel bearings (5) X
Clean & regap spark plugs (a) X
Check pump and deck belt tension and condition (6) X
Check fuel system (7) X
Check hydraulic lines X
Check fuel valve and grommet (7) X
Tighten lug nuts on wheels (2) X
Change fuel filter (7) X
Clean or replace hydraulic fill cap X
Change hydraulic filter & oil (3) X
Grease deck spindle housings X
Replace spark plugs X
Check ROPS mounting hardware (9) X
Replace fuel evaporation system filter (8) X