jcb Mini CX - Page 281

Section E - Hydraulics
Drive Motors
Wheel Drive Motors
E-111 E-111
9803-9340-8
13 Install a new ‘O’ ring (106) on the piston (107). The ‘O’
ring should be tight on the piston and not twisted
K Fig 29. ( T E-111).
865920A
Fig 29.
14 Install the brake piston (107) in the brake body (101).
Take care when pressing the seal over the snap ring
groove K Fig 30. ( T E-111).
865920B
Fig 30.
15 Install the spring washer (108) on the brake piston
K Fig 31. ( T E-111).
865920C
Fig 31.
16 Compress the spring and install the snap ring in line
with the mark made during dismantling
K Fig 32. ( T E-111).
865920D
Fig 32.
17 Position a dial gauge on the brake housing as shown.
Apply hydraulic pressure to the brake, max. 17 bar
(247 lbf. in2), and measure the piston stroke
K Fig 33. ( T E-112).
The piston stroke should be 0.81 to 1.27 mm (0.03 to
0.05 in). Select the thickness of shims required to
achieve the correct piston stroke.
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