Hyundai HL955 Manual page 136

Item
Transmission noise Transmission noise
check check
Engine running.
Transmission "quick shift" Transmission "quick shift"
check check
Engine running.
Description
Run engine at approximately 1600
rpm.
Drive unit with transmission in each
forward and reverse speed.
LISTEN : Transmission must not
make excessive noise in any range.
Engine rpm must not "lug down" as
unit is shifted between gears.
Release parking brake and select
Release
T/M shift mode to MANUAL mode.
Shift to 2nd forward.
Drive machine at approximately
5km/h and press gear selector lever
MANUAL mode
kick down switch or RCV levers
switch once.
LOOK/FEEL : Transmission must LOOK/FEEL
shift to and remain in 1st gear.
Press gear selector lever kick down
switch once.
LOOK/FEEL : Transmission must LOOK/FEEL
shift back to 2nd gear.
Shift to (3rd or 4th) gear and press
gear selector lever kick down
switch once.
LOOK/FEEL : Transmission must LOOK/FEEL
not shift down.
AL mode
Select T/M shift mode to AL (auto
light) mode.
Drive machine at approximately
90% speed of max speed in each
gear (2nd or 3rd or 4th).
Shift to (2nd or 3rd or 4th) gear in
each forward and reverse speed
and press gear selector kick down
lever switch or RCV lever switch
once.
LOOK/FEEL : LOOK/FEEL
If shift down quickly from current
gear to one step lower speed and
recover to original speed quickly
when push the switch one more
time. (mode 1)
If shifts down from current gear to
one step lower speed when push
the switch everytime and recover
when push the switch in 1st gear.
(mode 2)
3-80
Service action
OK OK
Check completed.
NOT OK NOT OK
Go to transmission makes
excessive noise, chapter 2
in this group.
OK OK
Check completed.
NOT OK NOT OK
Check connector at base
of control valve.
IF OK IF OK
Go to transmission
controller circuit in group 1.