JLG G12-55A Service Manual - Manual (Page 73)

4-7 G10-55A, G12-55A
Cab and Covers
10. Remove the bolts securing the front plate (10) to the
seat riser weldment (11).
11. Remove the bolts securing the seat riser weldment
to the cab. Remove the riser weldment.
12. Loosen the hose and disconnect the heater air duct
hoses (12).
13. Loose the hose clamps securing the heater hoses
(13).
14. Label and remove both heater hoses.
15. Label and disconnect any electrical connections
(14).
16. Label and disconnect both air conditioning hoses
(15).
17. Remove the bolts (16) securing the heater assembly
to the cab. Remove the heater assembly.
b. Heater Assembly Installation
Note: If machine is equipped with air conditioning,
the air conditioning system must be charged by the local
JLG dealer or certified air conditioning service center.
1. Position the heater assembly to its original orientation
in the cab. Secure with the previous hardware.
2. Connect the previously labeled electrical
connections.
3. Connect the previously labeled heater hoses to their
appropriate locations.
4. Connect the previously labeled air conditioning
hoses to their appropriate locations.
5. Install the seat riser weldment.
6. Install the front plate to the seat riser weldment.
7. Install the cab seat.
8. Fill the cooling system completely with coolant,
allowing time for the coolant to fill the engine block.
The cooling system capacity is listed in Section 2.4,
“Fluid and Lubricant Capacities.”
9. Properly connect the battery.
MY0190
10
11
MAL0420
12
MY4390
14
HEATER WITH AIR
CONDITIONING SHOWN
14
13
15
16
16