Removing The Engine; Installing The Engine; Cooling System - Gravely Promaster 260Z Service Manual

REMOVING THE ENGINE

1. Place the mower in the full service position.
2. Disconnect the battery cables, negative first.
3. Disconnect ignition wires using the connectors.
4. Remove the belts from the pulley and clutch.
5. Unscrew the bolt from the center of the output shaft
and remove clutch. Refer to "Replacing the
Clutch".
6. Remove the square key and the pulley.
7. Unclamp and remove the fuel lines. Plug the fuel
line and wipe up any spills.
8. Remove the engine mounting bolts and lift engine
out the top.

INSTALLING THE ENGINE

1. Position the new engine in the chassis, insert
mounting bolts and tighten.
2. Install pulley and then the clutch on the output
shaft.
NOTE: Check condition of square key and replace if
needed.
3. Place belts on pulley and clutch. Check for proper
routing of belts.
4. Connect fuel lines and ignition wires.
5. Connect battery, positive first.
6. Check oil level and add as needed.

COOLING SYSTEM

Radiator Fan Belt Removal
Refer to Engine Manual for detailed instructions or see
your Gravely dealer for replacement.
Checking Coolant Level
WARNING: To avoid personal injury DO NOT
remove radiator cap when engine is hot.
Check coolant level at coolant reservoir, not at
radiator.
1
Figure 22
Check coolant level when engine is cold. Check
coolant level at overflow reservoir.
1. Operating
Range
2. Full
2
3. Low
3
OF 3226
1. Place hood in the daily service position (see
Service Positions on page 16).
2. Check coolant reservoir. Coolant should be
between the low and full marks with engine cold.
3. If coolant is below the low mark, remove cap, and
add coolant to the full mark. Refer to Engine
Manual for the correct type of coolant.
Changing Coolant
Diesel Units (992038, 039, 309, 992075, 076,
318, 319)
WARNING: To avoid personal injury DO NOT
remove radiator cap when engine and coolant
are hot. When safe, loosen cap slightly to the
first stop to relieve any excess pressure before
removing cap completely.
1. Remove transmission belt (see Transmission Belt
Removal on page 21).
2. Remove radiator cap (Figure 23).
3. Place suitable container under drain plug.
4. Remove drain plug and allow coolant to drain
completely.
5. Install drain plug on radiator.
6. Remove coolant reservoir from coolant reservoir
bracket.
7. Drain coolant from coolant reservoir.
8. Install coolant reservoir on coolant reservoir
bracket.
9. Install transmission belt (see Transmission Belt
Removal on page 21).
NOTE: Refer to Engine Manual for the correct type of
coolant. See Specifications on page 12 for cooling sys-
tem capacity.
10.Fill radiator to bottom of radiator filler neck with
coolant.
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