Starting cold engine, Maintenance intervals, Maintenance – Shindaiwa HT231 User Manual
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Maintenance Intervals
IMPORTANT!
Maintenance, replacement or repair of emission control devices and systems may be performed by any repair establishment
or individual, However, warranty repairs must be performed by a dealer or service center authorized by Echo, Inc. The use
of parts that are not equivalent in performance and durability to authorized parts may impair the effectiveness of the emis-
sion control system and may have a bearing on the outcome of a warranty claim.
Maintenance
WARNING!
Non-standard parts may not operate
properly with your unit and may cause
damage and lead to personal injury.
NOTE:
Using non-standard replacement parts
could invalidate your Shindaiwa warranty.
WARNING!
Before performing any maintenance,
repair or cleaning work on the unit, make
sure the engine is completely stopped.
Disconnect the spark plug wire before
performing service or maintenance work.
WARNING!
Always wear gloves
when working around the cutter
assembly.
COMPONENT/SYSTEM
MAINTENANCE
PROCEDURE
DAILY OR
BEFORE
USE
EVERY
REFUEL
3 MONTHS
OR 90
HOURS
YEARLY 600
HOURS
Air Filter
Inspect/Clean
I / C *
R *
Choke Shutter
Inspect/Clean
I / C
Fuel Filter
Inspect/Replace
I *
I / R *
Fuel Cap Gasket
Inspect/Replace
I *
R *
Fuel System
Inspect/Replace
I (3) *
I (3) *
Spark Plug
Inspect/Clean/Replace
I / C / R *
Cooling System
Inspect/Clean
I / C
Muffler Spark Arrestor
Inspect/Clean/Replace
I / C / R *
Cylinder Exhaust Port
Inspect/Clean/Decarbon
I / C
Gear Housing
Grease
I (1)
Blades
Inspect/Clean
I / C (2)
Recoil Starter Rope
Inspect/Clean
I / C *
Screws/Nuts/Bolts
Inspect/Tighten/Replace
I *
* All recommendations to replace are based on the finding of damage or wear during inspection.
(2) Inspect blade and clean as needed. Lubricate blades periodically during use.
(3) Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.
MAINTENANCE PROCEDURE LETTER CODES: I = INSPECT, R = REPLACE, C = CLEAN
IMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will
determine the frequency of required maintenance.
MAINTENANCE PROCEDURE NOTES:
(1) Apply Grease every 20 hours of use.