
128 SEBU7494-06
Maintenance Section
Quick Coupler - Inspect
i01734746
Quick Coupler - Inspect
SMCS Code: 6129-040
g00889446
Illustration 155
1. Move the quick coupler levers (1) to the
disengaged position. Ensure that the levers are
not bent or broken.
2. Check the top edges of the quick coupler
assembly (2) for wear or for damage.
g00889412
Illustration 156
3. Move the q
uick coupler levers (1) to the engaged
position. Ensure that the levers move freely
without restriction.
4. Make sure that the coupler pins (3) extend through
the bottom of the quick coupler assembly. Check
the pins f
or wear and check the pins for damage.
5. Move the quick coupler levers to the disengaged
positio
n.
If any wear is suspected or damage is suspected,
consult
your Caterpillar dealer before you use a work
tool.
i01488851
Radiator Core - Clean
SMCS Code: 1353-070-KO
The radiator is
located at the rear of the machine
above the engine compartment.
1. Open the engin
e access door. Refer to Operation
and Maintenance Manual, “Access Doors and
Covers”.
2. Tilt the radiator guard upward. Refer to Operation
and Maintenance Manual, “Radiator Tilting”.
NOTICE
When you are using compressed air or high pressure
water to clean the radiator fins, ensure that the air or
water is direc
ted parallel to the fins. If the compressed
air or high pressure water is not directed parallel to the
radiator fins, the radiator fins could be bent or dam-
aged.
Note: You can use compressed air, high pressure
water, or st
eam to remove dust and other debris from
the radiator fins. However, the use of compressed
air is preferred.
3. Clean the radiator core.
NOTICE
Do not clean a running fan with high pressure water.
Fan blade fa
ilure can result.
4. Remove any dirt or debris from the fan, the fan
hub, the oil cooler, the radiator guard and the fan
guard.
Note: Dirt or debris on the cooling fan can cause an
imbalance.
5. Tilt the radiator guard downward.
6. Close the engine access door.