MULTIQUIP EM120P series Specifications download pdf (Page 17)

ESSICK EM-120PM — PARTS & OPERATION MANUAL — REV. #4 (05/24/05) — PAGE 17

EM-120PM — MAINTENANCE

WHEEL BEARINGS

After every 3 months of operation, remove the hub dust cap and

inspect the wheel bearings. Once a year, or when required,

disassemble the wheel hubs remove the old grease and repack

the bearings forcing grease between rollers, cone and cage

with a good grade of high speed wheel bearing grease (never

use grease heavier than 265 A.S.T.M. penetration (“No. 2.”) Fill

the wheel hub with grease to the inside diameter of the outer

races and also fill the hub grease cap.

Reassemble the hub and mount the wheel. Then tighten the

adjusting nut, at the same time turn the wheel in both directions,

until there is a slight bind to be sure all the bearing surfaces are

in contact.

Then back-off the adjusting nut 1/6 to 1/4 turn or to the nearest

locking hole or sufficiently to allow the wheel to rotate freely

within limits of .001" to .010" end play. Lock the nut at this position.

Install the cotter pin and dust cap, and tighten all hardware.

SHAFT SEALS

CAUTION:

IMPORTANT -DRUM HEAD SEAL CARE

Grease seals every 40 hours of operation using

any grade #1 lithium base grease. Apply

grease until visible inside of mixing tub (over

grease). this will purge seal system of

contamination.

CLUTCH REDUCTION ASSEMBLY LUBRICATION

The clutch reduction assembly has two separate compartments.

Each of which must be filled with its proper lubricant and checked

at regular intervals.

The

clutch compartment

should be filled with a good grade of

number 30 SAE engine oil which can be poured through the

filler hole located just above the clutch inspection door on the

opposite side of the transmission. Fill the clutch compartment

with 30 SAE engine oil until it overflows the oil level plug located

on the shifter side of the clutch compartment . Check this oil level

every two or three months and add oil as required. Drain and

refill once a year.

The

reduction gear, upper compartment

should be filled with

number 90 SAE oil, as used in automobile transmissions. The

filler plug is at the top of the reduction gear case and the oil level

plug is on the same side of the case as the clutch lever. Fill the

reduction gear compartment with 90 SAE transmission oil until it

overflows the oil level plug. Check this oil level every two or

three months and add oil as required. Drain and refill once a

year.

PADDLE SHAFT BEARINGS

The paddle shafts in the Essick EM120PM mixers rotate in sealed

ball bearings, which require no additional lubrication as they

are packed and sealed at the factory.

There is, on each end of the mixing drum, an zerk grease fitting.

Oil these fittings two or three times each week as they lubricate

the dumping mechanism of the mixing drum.

CAUTION:

■

Failure

to lubricate the zerk grease fittings

two or three times a week will cause the

dumping mechanism to stiffen, making the

mixer hard to dump.

BOLT CONNECTOR

A 5/8 " x 4 1/4" bolt is used as a connector pin located between

the reduction gear assembly and the paddle shaft. It is designed

to protect the transmission in the event a rock or other object

should get caught between the paddle blade and the drum, this

pin may shear. It is recommended that an extra bolt be kept on

hand so as to quickly make a replacement, if necessary.

BEARING BRACKET

Grease the bearing bracket every month.

CLEANING

Always disconnect the spark plug wire before cleaning the inside

of the drum.

Never pour or spray water over the gasoline engine or electric

motor.

For consistent performance, long life and high quality mixing,

thoroughly clean the mixer inside and out at the end of each

day’s operation. To prevent lumps of dried mortar from forming

and contamination of future batches, do not allow a buildup of

materials to form on the blades or anywhere inside the drum.

NOTE

This connector pin bolt is special. When replacing this

bolt consult the parts section of this manual for the

correct part number.

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MULTIQUIP EM120P series Specifications Page 17

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