JLG TOUCAN DUO Service Manual page 81

VI-5 REMOVAL - INSTALLATION PROCEDURES
Guide ring
Rod assembly
Fig. 6.8
DANGER
Do not use compressed air to remove the
cylinder rod. Use only a source of controlled
hydraulic oil pressure if the rod assembly is
hard to remove.
8- Withdraw the rod assembly from the cylinder
barrel and move it to a clean work area.
CAUTION
!
Exercise extreme care when handling or
setting down the cylinder rod. Do not damage
the chrome surface.
NOTE
It is recommended to cover the cylinder barrel
opening to prevent contamination.
CAUTION
!
When installing new seals, avoid stretching
seals and damaging the grooved surfaces.
NOTE
Aligning discarded seals in the order of
disassembly will facilitate installation of new
seals and rings
9- Remove the guide ring and the stop ring from
the rod.
10- Remove the cylinder head.
11- Remove the seals, wiper ring from the cylinder
head.
Models
Updated 06-2015
Barrel
Head
TOUCAN Duo
6.5.2 Mast cylinder inspection
1- Clean all parts with a solvent and dry them with
compressed air. Inspect all parts for
serviceability.
CAUTION
!
Before installing new seals and rings, clean
all surfaces and carefully remove burrs and
nicks. Parts displaying excessive wear or
damaged should be replaced.
2- Stone out minor blemishes and polish with a
fine crocus cloth except on surfaces rectified
and polished.
3- Clean with a solvent and dry with compressed
air any parts that have been rectified and
polished.
4- Inspect the barrel carefully for scoring.
6.5.3 Mast cylinder assembly
CAUTION
!
When installing seals, avoid damaging
grooves and seals.
NOTE
Lubricate new seals with new hydraulic oil.
CAUTION
!
Avoid stretching the seal, ensure the seals
and rings are installed in correct order. Ensure
all components are clean prior to and during
assembly.
1- Install the wiper ring in the cylinder head.
2- Install the seals and rings in the cylinder head.
3- Install the cylinder head on the cylinder rod.
4- Install the stop ring and the rings onto the rod.
CAUTION
!
When installing the stop ring onto the rod,
(see fig. 6.8), ensure it is installed on the
appropriate groove (the groove furthest from
the cylinder manifold).
VI-5
81