SEAL-O-RING 1988263 - Caterpillar

Bucket Lift Lever
Float (1) - Push the lever all the way forward into detent, for FLOAT. The bucket will lower to the ground, and move up and down, following the ground contour.The lever will remain in FLOAT until pulled out of detent. The lever will then return to HOLD when released.
NEVER use FLOAT position to lower a loaded bucket.Machine damage can result from bucket falling too fast.
LOWER (2) - Push the lever forward to lower the bucket. The lever will return to HOLD when released. HOLD (3) - The lever will return to HOLD when released from either RAISE or LOWER. The bucket will remain in the position it is in. RAISE (4) - Pull the lever back to raise the bucket. Release the lever to stop lifting the bucket. The lever will return to HOLD when released.The lever is detented in the full raise position. It will stay in detent and continue raising, until the bucket reaches height set by the lift kickout. Then it returns to HOLD.Bucket Tilt Lever
DUMP (1) - Push the lever forward to dump the bucket. HOLD (2) - Release the tilt lever. The bucket will remain in the position it is in. TILT BACK (3) - Pull the lever back to tilt the bucket back.The lever is detented in the full tilt back position. It will stay in detent and continue tilting back, until the bucket reaches the present digging angle set by the kickout. Then it returns to HOLD.Torque Converter Lockup Enable Switch
When the torque converter is in the lockup position, ground speeds increase approximately 25% per gear.Always road the machine in the lockup position. The torque converter and the transmission will operate much cooler.When descending grades, make sure the torque converter is in the lockup position. The engine will now act as a mechanical retarder. Move the switch forward to the lockup position to activate the control unit. This will allow the lockup clutch to engage automatically when proper conditions are met. The torque converter will shift up or lockup when appropriate. The green torque converter lockup alert indicator, located on the left side instrument panel, will come on when the switch is in the lockup position.Move the switch forward to the lockup position when roading, cleaning up the floor or leveling the ground. Also use when loading and carrying material.Move the switch to the rear to deactivate the control. The green torque converter lockup alert indicator will go off.Increased transmission wear may occur when lockup is on during bucket loading in hard bank material.When loading the bucket in hard bank material, move the switch to the rear position to deactivate the torque converter lockup.