Brompton Bicycle Owner's Manual download pdf (Page 21)

fig DR14

CTIDLB

b) for a derailleur bike, the chain and

the fixed idler on the chain-tensioner-

base, CTIDLB, have to lie between

the "uprights" of the chain-pusher-

plate. So, with the LH trigger up and

the chain-tensioner inclined slightly

outwards as in fig DR14 (chain not

shown in this figure), feed the idler

CTIDLB between these uprights, and

then feed the chain-tensioner base

onto the rear axle plate till it abuts squarely.

Next secure the chain tensioner using the chain tensioner nut CTN and its

washer CTW. This nut should not be done up too tightly: somewhat more

than hand tight suffices, max torque 8NM.

Now draw up the slack in the chain and feed it over the idler wheel on the

sprung arm CTARM - check that the chain is flowing correctly by turning the

cranks.

For a hub gear, the control cable has to be reconnected. First screw the

dicator chain GICH into the hub, and make sure it is fully screwed home,

en unwind through not more than half a turn

th so that it points towards the

t the cable adjustor to the indicator chain and, with gear cable. Next connec

the bike unfolded, make sure that it is correctly adjusted (see Hub Gear

Adjustment, Section F).

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Brompton Bicycle Owner's Manual Page 21