SkyTrak 6036 Service Manual - Manual (Page 241)

Section 9 Hydraulic System
Model 6036/6036T S/N 9B0500 thru 14833 9-91
b. Tools Required for Pump Repair
The following tools are required for tandem pump
disassembly and assembly:
1. A bushing puller made from Collet 33863 of
Blind Hole Puller Set 981 by Owatonna Tool
Company or an equivalent puller from another
supplier. Modify this collet as shown in Fig.
9.56.
9.7 PUMPS
9.7.1 Main Tandem Pump
a. Removal
1. Engage the park lock, place the travel selector
lever in neutral, and stop the engine.
2. Operate the hydraulic joystick to relieve any
trapped pressure in the 30 gpm section of the
tandem pump. Slowly loosen the upper outlet
port fitting on the 15 gpm pump section to
relieve any trapped pressure.
3. Remove hex head capscrews (5, Fig. 9.58),
lock washers (6), and both clamp halves (4) on
the main pump inlet line. Disconnect the hose
elbow (3) from the pump inlet. Remove and
discard the O-ring (7) from the elbow.
4. Disconnect small pump outlet hose (8).
5. Disconnect large pump outlet hose (9).
6. Remove connector (10) and elbow (11) from
the pump outlets.
7. Remove capscrews (12) and lock washers
(13) that attach the main tandem pump (14) to
the transmission. Remove and discard the
pump gasket (15).
Warning
Warning
Relieve hydraulic pressure before servicing any
hydraulic component. Escaping hydraulic fluid
under pressure can penetrate the skin causing
serious injury.
Wait for the hydraulic fluid to cool before servic-
ing any hydraulic component. Hot hydraulic fluid
can cause severe burns.
0.015" R. MAXIMUM
C
B A
A = 0.980/0.970"
B = 0.875/(REF)"
C = 0.100/0.090"
Fig. 9.56 Bushing Puller
MA0791
2. A seal removal tool made by heating the tip of
an old screwdriver and bending it as shown in
Figure. 9.57. Grind off the tip to fit the notch
behind the shaft seal.
3. A bushing installation tool made from A.I.S.I.
8620 Heat Treated Bearing Quality Steel as
shown in Figure. 9.59.
4. A special steel sleeve made from bar stock
which is 1-1/8 or 1-1/4" diameter by 4-5/8"
(117,5mm) as shown in Figure 9.60. This
sleeve is used to insert the drive shaft through
the lip seal without damage.
5. A lip seal installation bar made from bar stock
which is 1-3/4" in diameter by 2" long. Break
edges slightly.
MA0801
1/4 INCH
Fig. 9.57 Seal Removal Tool