Toro Groundsmaster 4500-D Series Service Manual page 273

Removal (Figure 155) (continued)
Installation (Figure
Groundsmaster ® 4500-D/4700-D
19245SL Rev A
4. Disconnect hydraulic hoses from lift cylinder. Put caps or plugs on open
hydraulic hoses and fittings to prevent system contamination. Label the
hydraulic hoses to show their correct position on the lift cylinder for assembly
purposes.
5. Remove lock nuts (item 2) that secure link assembly (item 4). Remove rear
link (item 3) from link assembly. Pull link assembly from lift arm assembly,
lift links (item 13) and cylinder shaft clevis which will free lift cylinder from lift
arm. Locate and remove plastic rollers (item 5) positioned on both sides
of cylinder clevis.
6. Remove one retaining ring that secures the cylinder pin (item 7) to the lift arm
support. Pull pin from lift arm and cylinder barrel clevis.
#6 Deck
(GM4700)
g308386
7. Remove lift cylinder from machine.
8. If hydraulic fittings are to be removed from lift cylinder, mark fitting orientation
to allow correct assembly. Remove fittings from cylinder and discard O-rings.
Note: For lift cylinder disassembly and assembly procedures, see
Cylinder Service (page
155)
1. If fittings were removed from lift cylinder, lubricate and place new O-rings onto
fittings. Install fittings into cylinder openings using marks made during the
removal process to properly orientate fittings. Tighten fittings (see
the Hydraulic Fittings (SAE Straight Thread O-Ring Fittings) (page
2. Position cylinder barrel clevis to lift arm and insert cylinder pin (item 7) into lift
arm support and cylinder clevis. Secure pin with retaining ring (item 6).Make
sure that retaining ring is fully installed in groove in pin.
3. Position plastic rollers (item 5) to cylinder shaft clevis. Insert link assembly
(item 4) through lift arm assembly, lift links (item 13), plastic rollers and
cylinder shaft clevis. Install rear link (item 3) to link assembly and secure
assembly with lock nuts (item 2).
4. Remove caps and plugs from hydraulic hoses and fittings. Attach hoses to
lift cylinder fittings (see
Seal) (page 5–7)).
5. Fill reservoir with hydraulic fluid as required.
#4 Deck #1 Deck
#2 #3
Deck Deck
Figure 156
CUTTING DECK LOCATIONS
5–173).
Installing Hydraulic Hoses and Tubes (O-Ring Face
Page 5–171
#5 Deck
#7 Deck
(GM4700)
Installing
5–9)).
Hydraulic System: Service and Repairs
Lift