-21
Reassemble the hoist in reverse order of disassembly and pay attention to the following points :
-1) Always replace Conical spring washer (12} and Retaining ring (54) with new ones.
-2) Assembling direction for Rataining ring (See Fig. 4.)
Set up Retaining ring so that the non-chamfered face bears the Ioad.
The non-ehamtered
face bears the Ioad.
-3) Be careful grease, etc., does not adhere to Brake lining (10} or the sliding surface of Index
wheel (9) and Washer (11) where Brake lining (10) contacts.
After installing Index wheel (9) in Casing (1), check its movement.
Index wheel (9) should not rotate freely.
-4) Before installing Valve body (14} in Casing (1}, check the 0.5 air exhaust hole on Valve
body (14) is open and Valve (16) returns quickly when released after pressing the tip of
Valve (16). (See Fig. 5.)
Casing (1)
Valve body (14)
Valve seat (19)
0.5
Air exhaust hole
Liner
(21)
Fig. 5
Valve (16)
-5) Reduction gear unit
Apply about 3cm (3ml)of grease to 63T intrenal gear (2).
Also apply grease to Bearing (5).
Assemble Planet shaft (25A or 25B), Gear wheels (26}, Shaft (30) and Brake wheel (32}.
Then attach Spacer (33) to Shaft (30}, and install them into Casing (1).
When assembling, apply about 12crri (12ml)of grease to Gear wheel (26).
NOTE : Be careful grease does not adhere to the inside surface of Brake wheel (32)
[the sliding surface where Brake cone (51) contacts].