JLG X23J - X700AJ Service Manual - Manual (Page 382)

SECTION 3 - CHASSIS & TURNTABLE
3121448 – JLG Lift – 3-355
CRANKCASE BREATHER - REMOVE AND INSTALL
(NATURALLY ASPIRATED ENGINES)
REMOVAL PROCEDURE
KEEP ALL PARTS CLEAN FROM CONTAMINANTS. CONTAMI-
NANTS MAY CAUSE RAPID WEAR AND SHORTENED COMPONENT
LIFE.
CARE MUST BE TAKEN TO ENSURE THAT FLUIDS ARE CON-
TAINED DURING PERFORMANCE OF INSPECTION, MAINTE-
NANCE, TESTING, ADJUSTING AND REPAIR OF THE PRODUCT.
BE PREPARED TO COLLECT THE FLUID WITH SUITABLE CON-
TAINERS BEFORE OPENING ANY COMPARTMENT OR DISASSEM-
BLING ANY COMPONENT CONTAINING FLUIDS. DISPOSE OF ALL
FLUIDS ACCORDING TO LOCAL REGULATIONS AND MANDATES.
The two cylinder, the three cylinder and the four cylinder
engines have different crankcase breathers. The removal
procedure is similar for all models.
PERSONAL INJURY CAN RESULT FROM PARTS AND/OR COVERS
UNDER SPRING PRESSURE. SPRING FORCE WILL BE RELEASED
WHEN COVERS ARE REMOVED. BE PREPARED TO HOLD SPRING
LOADED COVERS AS THE BOLTS ARE LOOSENED.
1. Remove bolts (1) and remove the assembly of cover
(2), spring (3) and diaphragm (4). Note the orienta-
tion of cover (2).
2. Remove spring (3) and diaphragm (4) from cover
(2).
3. If necessary, follow Steps 3.a through 3.c in order to
remove the gauze for the breather.
a. Remove valve mechanism cover (7). Refer to
Disassembly and Assembly, “Valve Mechanism
Cover - Remove and Install” for the correct pro-
cedure.
b. Remove screws (8) and carefully remove plate
(9).
c. Remove gauze (6) from valve mechanism cover
(7).