Bush Hog TH4200 User Manual
Page 50

Item
Frequency
Remarks
Engine Cylinder
25 hrs.
Re-torque required at first
Head/Cylinderr
service only
Base Fasteners
s
Engine Oil-Level
25 hrs.
Check level daily; break-in
service at 25 hrs.
s
Engine Oil -
100 hrs.
Change oil at 100 hours;
H
Change
more often in cold weather
use
s
Oil Filter
100 hrs.
Replace with oil change
H
H
Engine breather
100 hrs.
Inspect
hose
Carburetor Float
50 hrs.
Drain bowl periodically and
Bowl
prior to storage
n
Throttle Cable
50 hrs.
Inspect; adjust, lubricate,
replace if necessary
H
Choke (Enricher)
50 hrs.
Inspect;adjust, replace if
Cable
necessary
Shift Linkage
50 hrs.
Inspect; adjust
n
Drive Belt
50 hrs.
Inspect; adjust, replace if
necessary
n
Steering
50 hrs.
Inspect; lubricate
s
Front Suspension
50 hrs.
Inspect; lubricate, tighten
Fasteners
s
Rear Suspension
50 hrs.
Inspect; tighten fsteners
Engine Mounts
300 hrs.
Inspect
n
Valve Clearance
300 hrs.
Inspect; adjust
H
H
Spark Plug
100 hrs.
Inspect; replace if necessary
n
Ignition Timing
100 hrs.
Inspect and adjust as needed
H
n
Front Hub Bearings 100 hrs
Check at 100 hrs. and
replace as needed
48