Haulotte Group HT21RT O, Maintenance Book

Page: 150 / 282

150 4000511390 E03.16 USA / GB
Chassis and turntable
Dismantling / Reassembling wheels reducer
MS0026
7 - Spindle brake disassembly
N.B.-:-T
HIS PROCEDURE APPLIES ONLY TO UNITS WITH INTEGRAL
I
NPUT
B
RAKE
( 8 ).
1. Place Spindle ( 1A ) such that the flange side is up. Remove 8 Bolts ( 21 ) in X pattern by backing
each boit half way out, and then finish backing them out. Remove Motor Adaptor ( 1N ). If necessary,
remove Retaining Ring ( 8C ), knock Ball Bearing ( 8B ) out of Adaptor ( 1N ) counterbore, and check
Quad Seal ( 1K ) & O'Ring ( 8F ).
2. Remove Compression Springs ( 8L ) from Piston ( 8A ).
3. Using an air hose, slowly and carefully pressurize the brake port in the Spindle ( 1A ) until the
Piston ( 8A ) comes out of piston bore of Spindle ( 1A ), then pull the Piston ( 8A ) out of the
Spindle ( 1A ) by hand.
4. Remove Backup Ring ( 8H ) and O-ring ( 8F ) from grooves in Spindle ( 1A ) & Piston ( 8A ).
5. Remove Coupling ( 7 ) from brake cavity in Spindle ( 1A ).
6. Remove Backup Ring ( 8E ) and O-ring ( 8D ) from grooves in Spindle ( 1A ).
7. Remove Rotors ( 8J ) and Stators ( 8K ) from brake cavity in Spindle ( 1A ).
8. Remove Retaining Ring ( 5 ) out of the internai groove of Coupling ( 7 ) using Truarc #0100 or equiv-
alent pliers.
9. Remove the Spacer ( 1A ) & Spring ( 1L ) out of the bore of Coupling ( 7 ).
10. Knock Ball Bearing ( 8B ) out of Spindle ( 1A ) Counterbore if needed.
11. Remove Plastic Plug & Pipe Plug ( 12 ) from Spindle ( 1A ) if applicable.
Eye protection must be worn while performing the steps in this procedure.