Dodge PDNF 310 Manuale di istruzioni

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Instruction Manual for Dodge PDNF Mono-Blocks

These instructions must be read thoroughly before installation or operation. This instruction manual was accurate at the time of

printing. Please see dodgeindustrial.com for updated instruction manuals.

WARNING: To ensure the drive is not unexpectedly

started, turn off and lock-out or tag power source before

proceeding. Failure to observe these precautions could

result in bodily injury.

WARNING: All products over 25 kg (55 lbs) are noted on the

shipping package. Proper lifting practices are required for

these products.

WARNING: Because of the possible danger to person(s)

or property from accidents which may result from the

improper use of products, it is important that correct

procedures be followed. Products must be used in

accordance with the engineering information specified

in the catalog. Proper installation, maintenance and

operation procedures must be observed. The instructions

in the instruction manuals must be followed. Inspections

should be made as necessary to assure safe operation

under prevailing conditions. Proper guards and other

suitable safety devices or procedures as may be

desirable or as may be specified in safety codes should

be provided, and are neither provided by Dodge nor are

the responsibility of Dodge. This unit and its associated

equipment must be installed, adjusted and maintained by

qualified personnel who are familiar with the construction

and operation of all equipment in the system and the

potential hazards involved. When risk to persons or

property may be involved, a holding device must be an

integral part of the driven equipment beyond the speed

reducer output shaft.

INSTALLATION:

PDNF mono-blocks, when ordered without the shaft, should

come with one (1) housing, two (2) end covers and associated

bolts, two (2) grease slingers, and two (2) felt seals. Components

ordered separately are: two (2) bearing inserts, usually 300 series

single row deep groove ball bearings, and one (1) wave spring

washer.

When Provided Without the Shaft

Instructions

Install grease slingers onto the shaft with the flange (slinger

portion) mounted against the shaft shoulder (see figure

above). The slinger ring is designed for a clearance fit on

the shaft. If required, use a press or heat the slinger to

approximately 200° F. and slide onto the shaft.

Install bearings onto shaft against the slingers. The shaft

bearing seat tolerance is an ISO k6 interference fit. Press the

bearings onto the shaft through the inner ring of the bearing,

or heat the bearings up to approximately 200° F. and slide

them onto the shaft.

After the slingers and bearings have been mounted on

the shaft, orient the shaft in the vertical position on a solid

surface. Place a tube over the shaft against the inner ring

of the bearing and give the tube several sharp blows with

a mallet in order to seat the bearing against the slinger

and shaft shoulder. Repeat this procedure for the second

bearing.

Pack the bearings with grease from the side opposite the

slinger with Shell Alvania #3 or equivalent for standard

applications, or with a special grease per specific application

parameters. Also pack the cavity between the bearing and

end cover.

Slide the bearing slinger shaft assembly into the housing.

The housing bearing seat tolerance is an ISO G6, clearance

fit. This may require tapping the end of the shaft with a

rawhide mallet to slide the shaft and bearing assembly into

the housing.

Soak felt seals in oil. Insert oil-soaked felt seals into groove

in end covers and cut to size. Fill inside cavity of end covers

with grease used in step 4.

If a wave spring washer is used it must be installed on the

appropriate side of the housing against the appropriate

bearing so that thrust loads imposed on the assembly are in

the direction away from the spring.

Slide end covers onto shaft with flat spot on cover outer

diameter placed at the bottom of the housing. Bolt covers

onto housing with bolts provided and torque bolts to values

in Table 1.