Monark 828E Specifications download pdf (Page 11)

Monark Ergomedic 828 E

Service

Chain 1/2“ x 1/8“

It is strongly recommended to keep the chain

clean. Dirt build-up on the chain will cause ex-

cess wear. A chain lubricant and solvent for nor-

mal road bikes may be used.

Check the lubrication and tension of the chain in

regular intervals. In the middle of its free length

the chain should have a minimum play of 10 mm

(1/4in). See ﬁg: Chain adjustments. When the play

in the chain is about 20 mm (3/4 inch) the chain

must be tightened otherwise it will cause abnor-

mal wear of the chin and chainwheels. Because of

this it is always recommended to keep the chain

play as little as possible. When the chain has be-

come so long that it can no longer be tightened

with the chain adjusters it is worn out and shall

be replaced with a new one.

To replace the chain remove left and right frame

cover. To adjust the chain the hub nuts should be

loosened. Loosening or tightening the nuts on the

chain adjusters will then move the hub and axle

forward or backward. Adjust according to above

recommendation. Then tighten the nuts on the

hub axle again. See ﬁg: Chain adjustments.

Loosen the chain adjuster as much as possible.

Dismantle the chain lock and remove the chain.

Put on a new chain and assemble the chain lock.

The spring of the chain lock should be assembled

with the closed end in the movement direction

of the chain. Use a pair of tongs for dismantling

and assembling the spring. See ﬁg: Chain

replacement.

Adjust chain adjusters to allow chain play accor-

ding to above. Tighten axle nuts ﬁrmly. Put on

frame covers again.

NOTE: At assembly the ﬂywheel has to be paral-

lel with the centerline of the frame otherwise the

chain and chain wheels makes a lot of noise and

wears out rapidly.

Fig: Chain replacement

4) Lock spring

5) Movement direction

6) Chain lock

Fig: Chain adjustments

1) Chain adjuster

2) Axel nut

3) Chain play

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Monark 828E Specifications Page 11

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