Pinguely-Haulotte HA20PX, Руководство по ремонту

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CORRECTIVE MAINTENANCE SHEET
Folio 1/2
CHANGING A STEERING PIVOT ON A
NON-DRIVE WHEEL
Sheet C085
Caution!
Ensure that the oil is not too
hot.
Caution!
Use a container to collect oil
to prevent pollution of the
environment.
Caution!
It is essential to put the
component in slings before
dismantling/re-assembling
it.
1 - Preliminary operations
• Put the machine in the maintenance configuration (see corresponding
paragraph).
• Switch off electric power (see corresponding paragraph).
• Remove the wheel corresponding to the element to be removed (see cor-
responding sheet).
2 - Removing the bearings (if necessary)
• Remove the cap (10).
• Remove the counter-nut (11), brake washer (12) and nut (13).
• Remove the hub (14) of the pivot (1).
• Remove the bearings (16).
• Remove the seal (15).
3 - Removing a pivot (see figure 1)
• Place a wedge under the steering pivot (1).
• Remove the fixing screw (2) from the steering clevis pin.
• Remove the steering clevis pin (3).
• Remove the two screws (4) from the two caps on the pivot pin and remove
the two caps (5).
• Take the Mécanindus pin from each pivot pin (6), and remove the pivot pin
and support washer (7).
• Remove the steering pivot (1).
4 - Installing a pivot
• Put the steering pivot into place.
• Replace pins, lubricators and support washers if necessary.
• Put back the support washers and pivot pins, and block using new Méca-
nindus pins.
• Put back the pivot pin caps and fix using fixing screws and washers.
• Adjust wheel alignment if necessary:
- slacken the counter-nut (8),
- screw or unscrew the clevis (9) to adjust the length of the steering bar.
- tighten the counter-nut (8).
• Put back the steering clevis pin and fix using the screw equipped with a
new grower washer.
NB: When re-installing the pins, take the measures necessary to avoid
damanging the pins, rings and bores.
5 - Installing the bearings (if applicable)
• Lubricate the bearings and pivot pin.
NB: Only use lubricants recommended by the manufacturer.
• Install a new seal (15).
• Install the bearings (16) on the hub (14).
• Install the hub (14) on the pivot (1).
• Install the nut (13).
• Block the nut (13) until the wheel turns with difficulty and turn back one
quarter turn.
• Install the brake washer (12) and counter-nut (11).
• Block the counter-nut (11), then raise the wings of the brake washer.
• Put back the cap (10).
6 - Additional operations
• Put back the wheel (see corresponding sheet).
• Put the machine back in the operational configuration.
• Make several travel movements to check correct operation.
• Lubricate the pins with the lubricators.