Servicing Front Deck; Winglet Adjustment - Jacobsen 70528 Parts & Maintenance Manual

3.3

SERVICING FRONT DECK___________________________________________________

The front deck can be raised and tilted up to improve
access to the cutting unit and blades for service and
cleaning. Be sure to disengage all drives, engage parking
brake, stop engine and remove ignition key before
working around deck.
To tilt front deck up to its service position:
1. Rotate anti-sway mechanism (F), located under left
side floor panel, to Service position. Figure 3C
2. Start engine and raise deck until rear gauge wheels
are off ground. Stop engine.
3. Remove cut height adjustment pins from gauge
wheel bracket so yoke assembly floats freely.
4. Start engine and raise deck to full up position. Stop
engine.
5. Manually lift and rotate front of deck up until it is
securely latched.
!
WARNING
The front deck is heavy and could cause serious
injury or damage if dropped. Always use proper lifting
techniques when lifting or lowering the front deck to
the service position.
When lowering deck, pulling latch out will release the
full weight of the deck. Make sure anyone assisting in
this procedure is made aware of this before the latch
is released.
To lower deck after servicing:
1. Lift up on deck and pull locking latch (A) out.
Manually lower and pivot deck until supported by lift
3.4

WINGLET ADJUSTMENT ____________________________________________________

1. Winglets must be adjusted to front deck to prevent
scalping and possible damage to deck winglets.
2. Rotate front deck blades to positions shown in
Figure 3A.
3. Measure the height from the ground to the front
edge of the center front deck blade (B) and the
outside edges of winglet blades (L). Add or remove
shims (G) as required between pad (H) and support
bracket of winglets, until all front deck blades are at
the same height.
4. Store excess shims (G) above support bracket.
5. Adjust front winglet support arms (J) up or down as
required until arm is resting against stop (K).
arms. To prevent personal injury or damage to deck
or lift arms, DO NOT allow deck to drop from service
position.
2. Start engine and lower deck until it is level and
caster wheels are just above ground. Stop engine.
3. Insert height adjustment pin for rear casters to
match cutting height. Figure 3F
4. Rotate anti-sway mechanism (F) to it's operating
position. Figure 3C
A
Operating
Position
F
K
J
ADJUSTMENTS
Figure 3B
Service
Position
F
Figure 3C
G
Figure 3D
3
G
H
9