Honda HHT25S Manual page 27

SERVICE INFORMATION
EXCESSIVE VIBRATION
If a trimmer head is installed, check the
trimmer head for proper winding and
even line length P. 10-5,
Normal
If a blade is installed, check the blade
for damage P. 10-8.
Normal
Check whether the nut holding the
blade is loose P. 10-1.
Tight
Check whether cover plate/spacer A
and the blade are misaligned
Aligned
Check whether the attachment bolts
that secure the handle holder A or C
are loose P. 11-6.
Not loosened
Check whether the handle pipe is
properly attached to the handlebar
holder P. 11-8.
Normal
Check whether the engine mounting
rubber or bearing is damaged
Normal
Check whether the drive cable is
damaged P. 11-14.
Normal
Check whether the gear case assembly
is damaged P. 10-9.
Normal
Check the frame pipe straightness.
Check the bushing inside the frame
pipe.
2-16
P. 10-6.
P. 10-3.
P. 7-11.
Abnormal
Rewind the line on the trimmer head
P.
Damaged
Replace the blade
Loose
Tighten the nut holding the blade to the
specified torque
Not aligned
Properly align cover plate/spacer A with
the blade
Loosened
Tighten the attachment bolts
Abnormal
Attach the handle pipe properly
Abnormal
Replace the engine mounting rubber
P.
Damaged
Replace the drive cable
Damaged
Check each part of the gear case
assembly
If necessary, replace the damaged
parts.
Abnormal
Check each part of the frame pipe.
If necessary, replace the frame pipe
assembly.
HHT25S•HHT35S
10-5, P. 10-6.
P. 10-8.
P. 10-1.
P. 10-3.
P.
7-11.
P. 11-14.
P. 10-9.
11-6.
P. 11-8.