Sakai SW880-1, Руководство оператора

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3. PERIODIC MAINTENANCE
– 88 – – 89 –
Brake
1) Loosen hex socket bolts (6 bolts) which have been
fixing end cap.
Loosen them uniformly because the brake spring tends
to push up the end cap.
CAUTION
Mating surfaces of end cap, valve plate and cylinder block having been lapped,
care should be taken not to damage them.
2) Remove following parts which will be exposed after
removing the end cap.
It is recommended that O-Rings are replaced with new
ones.
3) Blowing compressed air of 2 – 3 kgf / cm
2
into hole
shown in sketch, brake piston will come up. (Have the
opposite side hole plugged.)
Or, with M10 x 25 – 30L bolt turned into tapped hole
at 2 locations of brake piston, lift it alternately using a
wrench or the like as fulcrum point.
Bold size M16
x
50L
Hex socket head
across flats
14
Item Quantity
Valve plate 1
Brake spring 8
Pin 2
O-Ring (large) 1
O-Ring (Small) 1