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Owners Manual • Rexnord

Planetgear

™

7000 Speed Reducers

(Page 6 of 33)

Size Mercury/Mars

158-110

10/21 (Supersedes 01/15)

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Section III — Lubrication

INTRODUCTION

Carefully follow instructions on the drive nameplate,

warning tags and installation manuals furnished with the

drive. Failure to follow instructions will void warranty.
Lubricants listed in this manual are typical products ONLY

and should not be construed as exclusive recommendations.

Industrial type rust and oxidation inhibited (R&O), industrial

type extreme pressure (EP) or industrial type micropitting

resistant gear lubricants are the recommended gear

lubricants. They can be formulated using petroleum or

synthetic base stocks.
Summary of allowable lubricant types by unit size can be

found in

Table 1

The section on food grade lubricants provides guidance

in selecting lubricants for applications needing this class

of lubricants. Food grade lubricants are formulated using

petroleum or different types of synthetic base stocks.

TABLE 2 — Summary of Lubricant Type

and Greases

Petroleum-Based

R & O Inhibited

See Table 6A

Extreme Pressure (EP)

See Table 6B

Micropitting Resistant

See Table 6C

Synthetic Lubricant, Polyalphaolefin Type (PAO)

R & O Inhibited

See Table 7A

Extreme Pressure (EP)

See Table 7B

Micropitting Resistant

See Table 7C

Conventional Grease

See Table 8

Food Grade Lubricant & Grease

See Page 10

LUBRICANT SELECTION PROCESS

1. Refer to

Table 4 or 5

for proper lubricant viscosity

grade based on ambient temperature range.

2. Refer to

Table 2

for summary of lubricant types.

3. Using proper lubricant table and viscosity grade, select

desired lubricant manufacturer and name.

4. Refer to

Table 3

for approximate oil capacity to purchase.

VISCOSITY (IMPORTANT)

The proper viscosity grade for petroleum-based lubricant

is found in

Table 4

. For synthetic lubricant viscosity grades,

refer to

Table 5

and the “Synthetic Lubricants” paragraphs.

Viscosity grade is determined by ambient air temperature

in the immediate vicinity of the gear drive. Lubricant

selections must have a pour point at least 10°F (5.5°C)

below the expected minimum ambient starting temperature.

LUBRICANT TYPES

PETROLEUM-BASED LUBRICANTS (TABLES 6A, 6B &

6C)

– Industrial type petroleum-based rust and oxidation

inhibited (R&O) gear lubricants are the most common and

readily available general purpose gear lubricants.

SYNTHETIC-BASED LUBRICANTS (TABLES 7A, 7B &

7C)

— Synthetic lubricants of the polyalphaolefin (PAO)

type are recommended for cold climate operation, high

temperature applications, extended temperature range

(all season) operation and/or extended lubricant change

intervals. The proper viscosity grade of lubricants is given

Table 5

. Usable temperature ranges can sometimes be

widened if specific application conditions are known.

WARNING

: Polyalkylene glycol (PAG) based synthetic

lubricants cannot be used in Planetgear units.

EXTREME PRESSURE (EP) LUBRICANTS (TABLES 6B

& 7B)

— For highly loaded drives or for drives loaded in

excess of original estimates, industrial-type petroleum EP

lubricants are preferred. EP lubricants are manufactured

from petroleum or synthetic base lubricants. Anti-scuff is

another term used to describe EP lubricants.

MICROPITTING RESISTANT LUBRICANTS (TABLE 6C

& 7C)

— Micropitting resistant lubricants are specially

developed for surface hardened gearing commonly used

in modern industrial gear drives. These lubricants contain

additives to resist formation of micropitting and other

conventional forms of gear wear. Generally these lubricants

are available in limited number of viscosities.

WARNING: LUBRICANTS IN FOOD PROCESSING

INDUSTRY

— Generally, conventional gear lubricants are

classified as H2 by NSF (National Sanitation Foundation)

since they contain harmful substances and should not

be used in the food processing industry. Lubricants

registered as H1 by NSF are suitable for food processing

applications.

CLIMATE CONDITIONS

—

Ambient temperature in

immediate vicinity of gear drive is very important for

determining viscosity grade.

Table 4

provides viscosity

grade selections for petroleum-based and synthetic

lubricants. See

Table 5

for synthetic lubricants.

TABLE 1 — Summary Of Allowable

Lubricant Types For Planetgear

Footmounted Units



UNIT SIZE

Allowable Lubricant Types

Mercury

Rust & Oxidation Inhibited, Extreme Pressure, Micropitting Resistant

Mars

Rust & Oxidation Inhibited, Extreme Pressure, Micropitting Resistant

Venus