ASTEC RT360 User Manual

ADJUSTMENT/MAINTENANCE
AU103170 H5B 66
DIGGING CHAIN TENSION
Checking Tension
Check the tension of the digging chain every 10 hours of
operation or each day, whichever occurs first.
Sprocket Boom
1. Start the engine.
2. Raise the boom to the horizontal position.
3. Stop the engine and remove the key.
4. Measure the distance between a chain roller (2) and
the base of a sprocket tooth (1).
A. If the distance is 38 to 51 mm (1-1/2 to 2 inch) the
chain tension is correct.
B. If the chain tension is too tight or too loose, see
Decreasing Chain Tension and Increasing Chain
Tension in this manual.
860351
Channel Boom
1. Start the engine.
2. Raise the boom to the horizontal position.
3. Stop the engine and remove the key.
4. Measure the distance between a chain roller (2) and
the base of a sprocket tooth (1).
A. If the distance is 38 to 64 mm (1-1/2 to 2-1/2 inch)
the chain tension is correct.
B. If the chain tension is too tight or too loose, see
Decreasing Chain Tension and Increasing Chain
Tension in this manual.
860351
Decreasing Chain Tension
866225
1. PLUG
1. Clean the area around the plug (1) with cleaning
solvent.
2. Slowly loosen the plug (counterclockwise) 2 or 3
revolutions to let grease flow from around the plug.
DO NOT remove the plug.
3. When the chain tension is correct tighten the plug.
NOTE:
Check the chain tension after you have dug a
trench approximately 3 m (10 feet) in length.
Increasing Chain Tension
866226
1. GREASE FITTING
1. Clean the area around the grease fitting (1) with
cleaning solvent.
2. Remove the cap from the grease fitting (rotate
counterclockwise).
3. Use a grease gun to put grease into the boom end
until the chain tension is correct.
4. Install the cap for the grease fitting.
NOTE:
Check the chain tension after you have dug a
trench approximately 3 m (10 feet) in length.
1
2
1
2
WARNING: Do not remove the grease fitting
from the boom before the pressure has been
released. Personal injury can result. Always
decrease the pressure by loosening the plug on
the opposite side of the boom.
1
1

ASTEC RT360 Specifications

General

Brand	ASTEC
Model	RT360
Category	Lawn and Garden Equipment
Language	English