0M55 (1 75 At yot
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twice: the best tips
A further point requiring the attention of the grease gun is the handbrake cable pulley. This is exposed to all weathers and could seize if not properly lubricated. Fiat OMs are fitted with a rear-mounted load sensing valve, and it is essential that the clearance-0.1mm (0.04in)—is correctly adjusted.
Another adjustment to be checked is the clutch clearance. There must be a gap between the operating and release levers or excessive clutch wear results.
Correct brake maintenance is vital to reduce wear and keep the vehicle safe. On the OMs a conventiona vacuum servo system is fitted, without a storage tan The shoes themselves must be correctly fitted to the brake back plated and the adjuster/slider centralised.
Any fluid leaks can be seen by lifting up the rubber boots which protect the slave cylinders. The Fiats iature removable drums which are bolted onto the ubs. Lock washers keep the bolts tight and it's ;sential that these are turned over when refitting the rum. Plain'wheel nuts keep the road wheels on, but lese are locked by dished spring washers. if these ■ ose their tension they should be renewed. On the OM panel van series the batteries can be 3sily topped up by sliding them out on their push away tray located on the nearside of the vehicle. A coach key is needed to undo the cover before removal. When steam cleaning or washing the chassis cab models, it's necessary to prevent water entering the oil-filled air filter through the intake pipe. Although there is a condensation drain plug in the first section of the filter, water can enter the oil section and cause emulsification. • Stephen Gray