Rexnord
®
Planetgear™ 7000 Series Speed Reducer
s
Owners Manual
Sizes Neptune, Neptune Plus, Orion Plus, Saturn Plus & Titan Plus (Page 13 of 32)
Rexnord
158-170
3001 W. Canal St., Milwaukee, WI 53208-4200
January 2015
Telephone: 414-937-4359 Fax: 414-937-4359 www.rexnord.com
Supersedes 11-12
Section V — Maintenance
WARNING
: DO NOT PERFORM ANY MAINTENANCE
PROCEDURES WHILE REDUCER IS IN OPERATION.
DOING SO MAY RESULT IN PERSONAL INJURY OR
PROPERTY DAMAGE. TO INSURE SAFETY DURING
MAINTENANCE, ACTIVATE ALL ELECTRICAL AND/OR
MECHANICAL LOCKOUTS.
NOTE
: ALL EXTERNAL PLUMBING (PIPE NIPPLE, PIPE
PLUGS, FITTINGS) ARE STANDARD NPT (NATIONAL PIPE
THREAD) CONNECTIONS.
5.1 FILLING OIL
1. Chose correct oil type (reference Section 3.0).
2. Determine correct oil quantity (reference Nameplate or
Section 3.0).
NOTE
: Special applications may have different oil
quantity requirements. Refer to the nameplate for
specific oil quantity.
3. Remove oil fill plug (vent plug) and one of the two oil
level plugs; reference Figure 5.1.
VENT PLUG
(OIL FILL PORT)
GREASE INSERT
FOR OUTPUT SEALS
OIL DRAIN PORT
(TYP. 2)
OIL DRAIN PORT
(TYP. 2)
GREASE INSERT
FOR INPUT SEALS
Figure 5.1 Reducer Oil Ports, Vent Plug and Grease Insert
Locations
NOTE
: There are two side plugs. The oil level plug is
highest from horizontal of the two.
NOTE
: Reference Section 7.0 Vertical Service
Instructions (Page 25).
4. Fill reducer at oil fill port.
5. Reducer oil capacity is reached when oil starts to pour
out of the bottom of the oil level port. Allow several
minutes for oil to settle, then recheck oil level. Add oil if
necessary.
NOTE
: Oil should be checked or added when reducer
is at ambient temperature.
CAUTION
: Underfilling reducer may cause product
damage. Overfilling reducer may cause excessive oil
temperatures.
6. Replace oil level plug, sealing it in the process using
thread sealant.
7. Replace oil fill plug, sealing it in the process using
thread sealant.
8. Start up reducer under a no load condition. Run
reducer for a few minutes.
9. Stop reducer and recheck oil at the oil level port. If
necessary, add oil.
5.2 DRAINING OIL
1. Clean external surfaces to avoid contaminants from
entering unit when plugs are removed.
2. Remove oil fill plug (vent plug) for ventilation (reference
Figure 5.1).
CAUTION
: Care should be taken when removing the
oil fill plug. The possibility of pressurized air inside
the reducer may exist . Once threads are free to hand
rotate, place a heavy cloth over the plug and rotate
counterclockwise until removed.
3. With the proper size oil drain pan (reference oil quantity
on nameplate) in place, remove the drain plug.
CAUTION
: Oil may be hot. Do not drain until oil is at
ambient or a safe temperature.
4. After oil is removed, replace oil drain plug, sealing it in
the process using thread sealant.
5. Reference Section 5.1 for filling reducer with oil.
5.3 ADDING GREASE TO REDUCER
SEALS
1. Clean grease inserts, reference Figure 5.1 for location.
2. Refer to the Lubrication section to determine the correct
grease for the application. Attach grease gun to grease
insert and pump grease into seal carrier.
3. Stop greasing when a sufficient amount of grease
purges out of seal carrier next to shaft.
NOTE
: Grease should purge from outboard seal onto
shaft, if this does not occur, refer to Section 6.2 to
check for proper seal installation.
4. Clean purged grease from reducer.
5.4 REPLACING SEALS IN SERVICE
Reference Section 6.2 for procedure.
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