Gravely 992042 19HP PM144Z Lawn Mower User Manual


 
GB - 24
Installing the Mower Deck (Figure 21)
1. Slide mower deck under unit.
2. Install mower mounting arms on frame.
3. Install link chains on the mower lift arms in the same
holes they were removed from.
NOTE: Perform steps 4 and 5 for mechanical lift mower
decks only (992064, 083, 092, 093, 094, 095, 096, 097).
4. Raise mower deck to transport position (see Mower Lift
Pedal (992064, 083, 092, 093, 094, 095, 096, 097) on
page 13).
5. Install mechanical lift spring on each side of unit
(Figure 21).
6. Install PTO belt on electric clutch (see Replacing
Mower Belts on page 22).
7. Level mower deck (see Leveling the Mower Deck on
page 24).
Leveling the Mower Deck
These adjustments should be made on a level surface with
the tires inflated to the correct air pressure.
Level the mower with the slots where 4 chains fasten to the
mower mounting brackets (Figure 22).
1. Shut off engine. Engage parking brake. Remove the
ignition key.
2. Raise mower deck to its highest position and place
4.75 in. (12.1 cm) tall blocks at each rear corner and
4.625 in. (11.7 cm) tall blocks at each front corner.
3. Lower deck onto the blocks.
4. Loosen the locknuts on the side where the chains are
slack and slide the bolt down the slot until the chains
are tight.
5. Tighten the locknuts.
6. Lift mower and remove blocks.
7. Measure height of deck at each side. Measurements
must be within 3/16 in. (4.76 mm) of each other.
8. If measurements are out of range, fix by adjusting
chains on low side of deck.
9. Once deck is level side to side, measure height of deck
at middle of front and on both sides of rear. Front of
deck should be 1/8 in. +/- 1/8 in. (3.18 mm +/-
3.18 mm) lower than rear.
Of0316
Figure 21
1
1. Mower Lift Arm
2. Link Chain
3. Mower Mounting Arm
4. PTO Mower Belt
2
3
2
4
1
OF4015
1. Chains
2. Lock Nuts and Slots
3. Mower Mounting
Brackets
4. 4.675 in. (11.7 cm)
Blocks
5. 4.75 in. (12 cm) Blocks
Right Side View
Figure 22
3
2
1
1
2
3
4
5