211
4000511390
E03.16 USA
/
GB
Upper boom
Procedure of dismantling / reassembling hydraulic rotary actuators
MS0028
4.
Using a seal tool install the main pressure seal ( 205 )
onto shaft ( 2 ) and end cap ( 4 ). Use the seal tool in a cir-
cular motion.
5.
Install the wear guide ( 302 ) on the end cap ( 4 ) and
shaft ( 2 ).
6.
Install the O-ring ( 204 ) and back-up ring ( 207 ) into the
inner seal groove on the end cap ( 4 ).
7.
Install the inner T-seal ( 200 ) into the appropriate groove
in the piston ( 3 ). Use a circular motion to insure the seal
is correctly seated in the groove. Install the outer T-
seal ( 202 ) by stretching it around the groove in a circular
motion. Each T-seal has 2 back-up rings.
Summary of Contents for HT21RT O
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Page 231: ...231 4000511390 E03 16 USA GB Hydraulics Hydraulic ways MS0023 F o l i o 2 2...
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Page 237: ...237 4000511390 E03 16 USA GB Hydraulics Hydraulic ways MS0023 F o l i o 2 2...
Page 239: ...239 4000511390 E03 16 USA GB Hydraulics Hydraulic ways MS0023 7 Jib...
Page 240: ...240 4000511390 E03 16 USA GB Hydraulics Hydraulic ways MS0023 Notes...
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