Hydraulic circuits dump circuit (522) – Gradall 524 Parts Manual User Manual
Page 135

9-3
HYDRAULIC CIRCUITS
Dump Circuit (522)
Starting Serial No. 0177189
Original Issue 6-96
Revised 2-23-98
SEE PAGE 8-4
Item
Part No.
Qty.
Description Of Part
1
Ref
HYDROSTATIC DRIVE TRANSMISSION
(see page 10-15 for details)
2
8866-2008
1
CONNECTOR (includes item 3)
3
8859-1207
1
O-RING
4
8471-7839
1
HOSE ASSY
5
9130-3059
1
TUBE ASSY
6
8471-7908
1
HOSE ASSY
7
8866-1362
1
HEX CAP-1/4 TUBE
8
8471-7835
1
HOSE ASSY
9
8866-2239
1
SWIVEL NUT RUN TEE- 1/4 TUBE
10
9105-3426
1
STRAIGHT THREAD ADAPTER
(includes o-ring)
8859-1207
1
O-RING
11
Ref
FRONT DRIVE MOTOR ASSY,
(see page 10-17 for details)
12
8471-7872
1
HOSE ASSY
13
8866-2227
1
SWIVEL NUT RUN TEE- 1/4 TUBE
14
8866-1345
1
TUBE END REDUCER, 3/4X3/8,
(includes nut)
8866-1408
1
NUT
Item
Part No.
Qty.
Description Of Part
15
8471-7810
1
HOSE ASSY
16
8471-7906
1
HOSE ASSY (use with 9108-3066)
8471-9110
1
HOSE ASSY (use with oil cooler kit,
9112-5109)
17
Ref
OIL COOLER ASSY,
(see page 5-6 for details)
18
8866-2108
2
ELBOW, 90 DEGREES (swivel nut)
19
8866-2008
1
CONNECTOR (includes item 20)
20
8859-1207
1
O-RING
21
Ref
MAIN CONTROL VALVE, (see page
10-7 for details)
22
8866-1364
1
HEX CAP, 3/8 TUBE
23
8866-1010
1
MALE CONNECTOR, 3/8X1/2 TUBE
24
7713-3053
1
CLAMP SET
25
7713-3052
1
COVER PLATE
26
8820-1010
2
HEX HD CAPSCREW, 1/4-20X2-1/4,
GR5
27
8850-1004
2
HEX NUT, 1/4-20
28
8855-1009
2
LOCKWASHER, 1/4
29
8856-1107
2
FLAT WASHER, 1/4
PCN 971217-JH
*
If oil cooler 9108-3066 has been replaced with
9112-5109 oil cooler kit, be sure when replacing
item 16, the correct hose is used.
SERVICE NOTE:
*
* Added service note and additional hose to item 16.