Stiga 13-7454-11, Workshop Manual

Page: 82 / 123

4.7.7 Removing the PTO pump
Remove the PTO pump as follows:
1. Install the vacuum pump according to
"4.8" or drain the hydraulic oil. Use of
a vacuum pump is recommended.
2. Remove the hydraulic hoses A (2x)
from the pump.
3. Remove the pump carefully with the
carrier plate/pulley. See ”4.7.4”.
4. Take the pump out from the machine
and set the unit up in a vice.
5. Remove the shaft nut and take off the
carrier plate/pulley.
4.7.8 Repair hold height posi-
tion
If the machine reveal a problem to hold
the chosen cutting height or the height
position of the implement, follow the pro-
cedure below by doing in sequence:
1. Check of the cutting deck hydrau-
lic cylinder making sure that it has
no internal leakages; valid only
for 135DOD and 155DOD Cutting
Decks.
2. Check of the hydraulic distributor
placed under the right console.
Step 1
Make sure that the cutting height adjust-
ment cylinder has not any internal leak-
age as follow:
• put the cutting height in the most
frequently used position. If the cylinder
has a leakage, it´s most possible that
the leakage will appear in this position.
• Disconnect the hydraulic quick con-
nectors (A) on the base unit, from the
WORKSHOP MANUAL
TITAN
Chapter
4 - Hydraulic system
EDITION
2018
Page
80