Grove
Published 01-14-2021 Control # 707-01
4-55
TMS9000-2 SERVICE MANUAL
SUPERSTRUCTURE
4
•
Screw the seal (3), (Figure 4-44) back on with a new
sealing ring and new sealing agent. Tightening torque;
see
•
Replace the cover of the swing angle sensor.
The grease container (1), (Figure 4-45) is located on the
right side of the turntable above the storage compartment.
Only fill with grease as specified in
The maintenance of the central lubrication system on the
superstructure is the same as the maintenance of the central
lubrication system on the carrier.
SUPERSTRUCTURE AIR CONDITIONING
SYSTEM (ADDITIONAL EQUIPMENT)
The crane is equipped with only one refrigerant circuit for the
air-conditioning system on the carrier and superstructure.
Checking Hoses
•
Check all refrigerant hoses for damage and worn areas.
•
Only allow damaged hoses to be replaced by Manitowoc
Crane Care.
When servicing the air conditioning system, observe the
following specifications:
•
Minimum Evacuation Time — 60 minutes
•
Refrigerant Charge Levels — 2.5 pounds (± 0.5 oz)
•
Additional Pag Oil Required Above the 6 ounces in
Compressor — 5.0 ounces
OTHER MAINTENANCE WORK
Checking for Correct Operation of the
Auxiliary Heater (Additional Equipment)
For additional information, see the section Heating and
Ventilating the Superstructure Cab in the Operator Manual.
Lubricating the Piston Rod of the Lifting
Cylinder
•
Clean the open end (2), (Figure 4-46) of the piston rod of
old grease, dirt particles and rust.
•
Lubricate the open end (2), (Figure 4-46) of the piston
rod on the lifting cylinder head (1), (Figure 4-46) so that
it is evenly covered with grease.
NOTE:
You can also prevent surface rust if you turn the
main boom to the side between maintenance
intervals and completely lower it.
9033
1
FIGURE 4-45
CAUTION
Damage to the Lifting Cylinder's Gasket Due to
Surface Rust Hazard!
Be sure that the uncovered end of the piston rod on the
lifting cylinder is always kept lubricated. In this way, you
can avoid surface rust, which damages the gasket in the
lifting cylinder head when lowering completely.
9035
FIGURE 4-46
Fo
r
Reference
Only
