![background image](http://html1.mh-extra.com/html/jcb/js130/js130_service-manual_3610745364.webp)
75 - 2
Dismantling (cont’d)
4
Remove the piston rod.
Make sure that the piping ports are opened.
Catch the oil coming out from the rod side (cylinder
head side) port.
With the piston rod extended fully, remove the cylinder
head carefully.
Lay down the piston rod and the cylinder head together
on wood blocks.
Note:
Once all the bolts are removed, do not lift the piston
rod, as the cylinder may fall suddenly when separating.
!
!
WARNING
Lifting Equipment
You can be injured if you use faulty lifting equipment.
Make sure that lifting equipment is in good condition.
Make sure that lifting tackle complies with all local
regulations and is suitable for the job. Make sure that
lifting equipment is strong enough for the job.
INT-1-3-7
!
!
WARNING
Raised Equipment
Raised equipment can fall and injure you. Do not walk or
work under raised equipment unless safely supported.
13-1-1-6
When pulling out the piston rod from a horizontally
positioned ram, be careful to prevent the rod from
falling just after it leaves the cylinder. During removal of
the piston rod, support it horizontally on blocks.
5
Secure the piston rod.
Use the flat rod head or the rod end eye to prevent the
piston rod from rotating.
6
Remove the piston nut.
Remove the set screw, noting the following:
After being installed, the set screw is crimped at two
places with a punch.
Remove the crimped portions with a drill
A
, then loosen
the set screw. Remove the steel ball
B
located below
the end of the set screw.
Remove the piston nut.
Note:
The piston nut was torque tightened on assembly. A
torque 1.5 times the tightening torque is necessary to loosen
the piston nut. Prepare a power wrench using a hydraulic
cylinder (see
Ram Piston Head Nut - Removal and Fitting
).
Section E
Hydraulics
9803/6410
Section E
75 - 2
Issue 1
Hydraulic Rams
JS00120
B
A
Summary of Contents for JS130
Page 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
Page 118: ......
Page 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Page 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Page 207: ......
Page 209: ......
Page 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Page 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...