MAINTENANCE AND REPAIR INSTRUCTIONS
NOTE: Use the bottle and spout saved from initial use to measure
NOTE: Careless
Air Filter Cover
Air Filter
the correct amount of oil. The top of the label on the bottle
adjustments can
seriously
measures
approximately
damage your
unit. An
authorized
service dealer
should make
carburetor adjustments.
3.04
ounces (90
ml) (Fig. 36).
Fill Level
Tab
Check the level,
See Checking
the Oil Level. If
the level is low,
add a small
Fig. 42
Fig. 36
Check Fuel
Old fuel is usually the reason for improper unit performance. Drain
and refill the tank with fresh fuel prior to making any adjustments.
Refer to Oil and Fuel Information.
amount of oil and recheck. Do not overfill (Fig. 35).
Replace the oil fill plug.
Reconnect the spark plug boot.
6.
7.
Clean Air Filter
AIR FILTER MAINTENANCE
The condition of the air filter is important to the operation of the unit.
A dirty air filter will restrict air flow. This is often mistaken for an out
of adjustment carburetor. Check the condition of the air filter before
adjusting the idle speed screw. Refer to Air Filter Maintenance.
WARNING: To avoid serious personal injury, always
turn the unit off and allow it to cool before you clean or
service it.
Adjust Idle Speed Screw
WARNING:
To prevent serious personal injury, make
sure the cutting attachment has stopped rotating before
you turn it off and set it down.
Cleaning the Air Filter
Clean and re-oil the air filter every 10 hours of operation. It is an
important item to maintain. Failure to maintain your air filter
properly can result in
poor performance or can
cause permanent
Air Filter Cover
If, after checking the fuel and cleaning the air filter, the engine still
will not idle, adjust the idle speed screw as follows:
Air Filter
damage to your engine.
1.
Start the engine and let it run at
a high idle for a minute to
warm up. Refer to
Idle Adjustment Screw
1.
Open the air filter
cover. Push the tab
on the under side of
the cover inward.
Then pull the air
filter cover out and
up. (Fig. 37).
Tab
Starting/Stopping Instructions.
Fig. 37
Fig. 38
Fig. 39
Fig. 40
2.
Release the throttle trigger and
let the engine idle. If the engine
stops, insert a small phillips in
between the Air Filter Cover
and the Engine Cover (Fig. 43).
Turn the idle speed screw in,
clockwise, 1/8 of a turn at a
time (as needed) until the
2.
3.
Remove the air filter
(Fig. 41).
Wash the filter in
detergent and water
(Fig. 38). Rinse the
filter thoroughly and
allow it to dry.
engine idles smoothly.
Fig. 43
NOTE: The cutting attachment
should not rotate when the engine idles.
4.
Apply enough clean
SAE 30 motor oil to
lightly coat the filter
(Fig. 39).
3.
If the cutting attachment rotates when the engine idles, turn
the idle speed screw counterclockwise 1/8 of a turn at a time
(as needed), to reduce idle speed.
Checking the fuel, cleaning the air filter, and adjusting the idle speed
should solve most engine problems. If not and all of the following are true:
5.
6.
Squeeze the filter to
spread and remove
excess oil (Fig. 40).
Replace the filter
(Fig. 41).
•
the engine will not idle
•
the engine hesitates or stalls on acceleration
• there is a loss of engine power
NOTE: If the unit is
operated without
the air filter, you
will VOID the
warranty.
Have the carburetor adjusted by an authorized service dealer.
WARNING:
The cutting attachment may spin during
idle speed adjustments. Wear protective clothing and
observe all safety instructions to prevent serious personal
injury.
Tabs
Back Plate
Air Filter
7.
8.
Reinstall the air filter
cover. Position the
slots on the top of the
air filter cover onto
the tabs at the top of
the back plate (Fig.
42).
Swing the cover down
until the tab on the air
filter backplate snaps
into place in the slot
on the air filter cover
(Fig. 42).
ROCKER ARM CLEARANCE
This requires disassembly of the engine. If you feel unsure or unqualified
to perform this, take the unit to an authorized service center.
NOTE: Inspect the valve to rocker arm clearance with a feeler
gauge after the
first 10 hours of
operation and
every 25 hours
of operation.
View Of The Rear Engine Cover
Remove
Screws
Locking Tab
•
The engine must be
cold when checking or
adjusting the valve
clearance.
Remove
Screws
Fig. 41
CARBURETOR ADJUSTMENT
Fig. 44
The idle speed of the engine is adjustable. An idle adjustment
screw is between the air filter cover and the engine starter housing
(Fig. 43).
•
1.
This task should be performed inside, in a clean, dust free area.
Remove the six (6) screws on the back of the engine cover
9
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals, MTD Trimmer Manuals, Trimmer Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD TB525CS, MTD TB575SS, Troy Bilt TB575SS, Troy-Bilt TB525CS |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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