Timberwolf TW 160PH - Tension Belts; Change Hydraulic Oil and Filter

Remove belt guard. 1
Loosen bolt in centre of tensioner pulley with a 19mm spanner so that pulley is able to slide with minimal2
wobble.
Turn nut in end of tensioner pulley slider until correct belt tension is3
achieved. For instructions on checking belt tension & correct belt
tension values, please refer to the Timberwolf V-Belt Tensioning Data
Table (page 30).
Retighten bolt in centre of tensioner pulley.4
Refit belt guard.5
Run machine and test, recheck belt tension.6
NOTE: Slack drive belts will cause poor performance and excess belt and
pulley wear.
TW 160PH
SERVICE INSTRUCTIONS
19 / 51
C190-0013 11.04.2019
Remove the black screw cap from the top of the filter1
housing.
Partially remove filter element from inner cup. Leave2
filter to drain for 15 minutes.
Remove filter element from cup when clear of hydraulic3
oil.
Remove drain plug and drain oil into a suitable container.4
Replace drain plug.5
Refill with VG 32 hydraulic oil until the level is between6
the min and max lines on the tank (about 15 litres).
Refit the filter cup, install a new filter element and refit7
the black screw cap, to the filter housing, ensuring o-ring
remains in place.
2
1
4
NOTE: This is a non-adjustable air breather filter.
2
3
TENSION HYDRAULIC PUMP BELT
Remove belt guard.1
Access the two nuts on the under side of the chassis and slacken using a2
19 mm socket spanner.
Adjust the M8 bolt on the outside plate until the desired tension is3
achieved. For instructions on checking belt tension & correct belt tension
values, please refer to the Timberwolf V-Belt Tensioning Data Table (pg.
30).
Retighten the two nuts to (88 Nm) 65 lbs/ft.4
Refit belt guard.5
2
3
TENSION BELTS
CHANGE HYDRAULIC OIL AND FILTER
NOTE:There will normally be a rapid drop in tension during run-in period for new belts. When new belts are fitted,
check the tension every 2 - 3 hours and adjust until the tension remains constant.
Belt failures due to lack of correct tensioning will not be covered under your Timberwolf warranty.
TENSION DRIVE BELTS
WARNING
USE PLASTIC GLOVES TO KEEP OIL OFF SKIN AND DISPOSE OF THE USED OIL AND FILTER
IN AN ECOLOGICALLY SOUND WAY. THE OIL AND FILTER SHOULD BE CHANGED ONCE A
YEAR OR AT ANY TIME IT BECOMES CONTAMINATED. BEFORE STARTING CHECK THAT
THE CHIPPER IS STANDING LEVEL AND BRUSH AWAY LOOSE CHIPS.