Hyundai HL955 Manual page 137

Item
Forward, reverse and 4th Forward, reverse and 4th
speed clutch pack drag speed clutch pack drag
check check
※ Transmission must
Transmission must
be warmed up for be warmed up for
this check. this check.
Engine running.
Transmission shift Transmission shift
modulation check modulation check
Engine running.
Torque converter check Torque converter check
Description
Park unit on level surface.
Apply service brakes.
Move gear selector lever to neutral.
Release Move gear selector lever to 1st.
Release parking brake and service
brakes.
Run engine at low idle.
LOOK : Unit must not move in LOOK
either direction.
NOTE : If unit moves forward, NOTE
either the forward pack or the 4th
speed pack is dragging.
Run engine at approximately 1300
rpm.
Put transmission in 1st forward,
shift several times from forward to
reverse and reverse to forward.
Repeat check in 2nd gear.
LOOK LOOK : Unit must slow down and
change direction smoothly.
Start engine. Apply service brakes
and release parking brake.
Move gear selector lever to 3rd
speed.
Move gear selector control lever to
forward "F" position.
Increase engine speed to high idle.
LOOK : Torque converter stall rpm LOOK
must be within the following range.
Stall rpm : 1910±70 rpm
Move gear selector control lever to
neutral "N" position and run for 15
seconds.
3-81
Service action
OK OK
Check completed.
NOT OK NOT OK
I f u n i t m ove s, r e p a i r
transmission.
OK OK
Check completed.
NOT OK NOT OK
Go to unit shifts too fast,
chapter 2 in this group.
OK OK
Check completed.
NOT OK NOT OK
If stall rpm are too low or
too high, problem may be
engine power or torque
converter.
IF OK IF OK
Replace transmission
torque converter.