55
-5-
3.2. LONG TERM STORAGE
Max. 5 years indoors or 6 months outdoors.
• The protection should be kept intact if long term storage was specified at order
placement.
• In all other cases the gear unit must be filled with a small amount of mineral oil
containing a volatile corrosion protection additive. All gear unit openings (dipstick,
breather etc.) should be hermetically sealed.
Some additives may be added to the normal oil. Consult your oil supplier.
4. HANDLING
The Hansen P4 gear units are easy to handle and to install. Make use of integral oval lifting
eyes (horizontal mount) and lifting eye nuts or integral rods (vertical mount).
For equal load sharing make use of all lifting eyes and use adequate tools.
Lifting eye nuts must not be removed and must be fully engaged before
lifting.
Never lift units with slings wrapped around the shafts.
Particular circumstances might dictate the temporary removal of thermostat(s), pressure
gauge(s) and/or part of the oil feed piping. After removal of the latter elements, one should take
special care to avoid ingress of moisture, etc... into the lubrication system of subject gear
unit(s).
5. INSTALLATION
5.1. FITTING OF ACCESSORIES
The metric shaft extensions are equipped with keyways according to ISO/R773-1969 and DIN
6885 "Blatt 1 - Form N1 or N3".
Threaded centre holes in these shafts according to DIN 332 Teil 2 Form D.
Recommended bore tolerance for the couplings or other components to be mounted is K7 (as
per ISO 286).
The inch shaft extensions are equipped with keyways according to USAS B17.1-1967.
Recommended bore tolerance:
- 0.0005" to - 0.001" for diameters £ 1 1/2"
- 0.001" to - 0.002" for diameters > 1 1/2"
Remove protection from shaft extensions and check keyfit and keyway height in component to
be mounted onto shaft. Heating the component to 80-100°C (175-210°F) will be helpful.
Threaded centre hole in shaft to assist in mounting components onto shaft may be used.
Never mount components by impact as this may cause damage to the
bearings.
Never use rigid couplings except on free end machine shafts (e.g. mixers, aerators) or in
executions with a torque arm.
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