Acorn 80 Maintenance Service Manual page 55

SECTION 7
Dismantling Components
7.8.7 Levelling Guide Rails
If the vee wheels (V) on the slide assembly (S) require
replacing, remove the guide rails (R) from the centre
block (C).
Lightly spray the vee wheel rails with the
recommended lubricant.
When re-assembling, ensure that the steering rollers
are correctly located in the slide rail assembly
grooves because these align the side rollers when the
unit is levelling.
7.8.8 Rollers
Inspect top roller (TR) and side rollers (SR)
– renew as necessary.
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ACORN 80 Maintenance & Service Manual