JLG 266 LoPro Service Manual - Manual (Page 40)

Cab and Covers
4.8 266, 307, 266 LoPro
5. Place a suitable container beneath the radiator drain
plug or petcock. Slowly turn the cap on the coolant
overflow bottle to allow any pressure to escape.
Remove the overflow bottle cap.
6. Place a funnel at the base of the radiator to channel
the drained coolant into the container. Open the
radiator drain plug or petcock and allow the coolant
to drain. Replace the drain plug, or close the
petcock.
7. Transfer the coolant into a suitable, covered
container, and label as "Used Coolant". Dispose of
used coolant at an approved recycling facility.
Note: Label all hoses to ensure correct installation.
8. Remove the seat from the cab to expose the heater/
defroster element (1).
9. Loosen the hose clamps and disconnect the two
heater hoses.
10. Remove the button-head capscrews, nuts and
lockwashers securing the heater assembly to the
cab.
11. Carefully pull out the heater assembly. Label and
disconnect the wiring harness connections at the
blower.
12. Remove the heater assembly.
b. Heater Assembly Installation
1. Install the heater assembly to its original orientation.
2. Connect the wiring harness connections at the
blower.
3. Install the button-head capscrews, nuts and
lockwashers to secure the heater assembly to the
cab.
4. Reconnect the two heater hoses.
5. Install the seat in the cab.
6. Refill the cooling system at the coolant overflow
bottle with a 50/50 mixture of ethylene glycol and
water allowing time for the coolant to fill the engine
block. See Section 2.4, “Fluids, Lubricants and
Capacities,” for system capacities.
7. Connect the battery negative (-) cable at the battery
negative (-) terminal.
8. Start the engine, run it briefly at low idle and check
the machine for any visual sign of fluid leakage.
STOP the machine immediately if any leakage is
noted, and make any necessary repairs before
continuing.
9. Check the coolant level. Add or remove fluid as
required.
10. Close and secure the engine cover.
4.4 CAB REMOVAL
IMPORTANT: To help ensure safety and optimum
performance, replace the cab if it is damaged. Refer to
the appropriate parts manual for ordering information.
Before performing any inspection, maintenance or
service operation, thoroughly clean the machine. DO
NOT spray water or cleaning solution in, on, near or
around the operator’s dash panels and electrical
components.
Inspect the cab, its welds and mounts. If modification,
damage, a cracked weld and/or fatigued metal is
discovered, replace the cab. Contact your local JLG
distributor with any questions about the suitability or
condition of a cab.
IMPORTANT: Remove and label cab components as
needed before removing the cab from the machine.
Label, disconnect and cap hydraulic hoses. Transfer cab
WARNING:
The cooling system is
under pressure, and escaping coolant can
cause severe burns and eye injury. To prevent
personal injury, NEVER remove the radiator
cap while the cooling system is hot. Wear
safety glasses. Turn the radiator cap to the first
stop and allow pressure to escape before
removing the cap completely.
MAH0680
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