Swing Motor (S/N 0030001050 To Present); Removal; Disassembly And Inspection - JLG t350 Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE
3.13 SWING MOTOR (S/N 0030001050 TO
PRESENT)
NOTE: This motor may also be used on some machines
manufactured between
0030001050.

Removal

1. Remove the two bolts securing the motor to the
swing drive.
2. Lift the motor up to gain access to the hydraulic lines
and tag and disconnect the lines running to the
motor. Cap or plug all openings.

Disassembly and inspection

1. Place the Torqlink™ in a soft jawed vice, with cou-
pling shaft (12) pointed down and the vise jaws
clamping firmly on the sides of the housing (18)
mounting flange or port bosses. Remove manifold
port O-Rings (18A) if applicable.
IFTHETORQLINK™ IS NOT FIRMLY HELD IN THE VISE, IT COULD
BE DISLODGED DURINGTHE SERVICE PROCEDURES, CAUSING
INJURY.
3-36
S/N 0030000960 to
– JLG Lift –
2. Scribe an alignment mark down and across the
Torqlink™ components from end cover (2) to hous-
ing (18) to facilitate reassembly orientation where
required. Loosen two shuttle or relief valve plugs
(21) for disassembly later if included in end cover. 3/
16 or 3/8 inch Allen wrench or 1 inch hex socket
required.
3. Remove the five, six, or seven special ring head
bolts (1) using an appropriate 1/2 or 9/16 inch size
socket. Inspect bolts for damaged threads, or seal-
ing rings, under the bolt head. Replace damaged
bolts.
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