Barko Hydraulics BARKO LOADERS 275B SER-ERS, Service Manual, Page: 60 / 85

page 60 page 60 page 60 page 60 page 60
275B SER
800-00152
MFE19 SWING MOTOR MAINTENANCE CONTINUED... MFE19 SWING MOTOR MAINTENANCE CONTINUED...
MFE19 SWING MOTOR MAINTENANCE CONTINUED... MFE19 SWING MOTOR MAINTENANCE CONTINUED...
MFE19 SWING MOTOR MAINTENANCE CONTINUED...
1 11
11
SCREWS SCREWS
SCREWS SCREWS SCREWS
4 44
44
2 22
22
VALVE BLOCK VALVE BLOCK
VALVE BLOCK VALVE BLOCK VALVE BLOCK
1 11
11
3 33
33
HOUSING HOUSING
HOUSING HOUSING HOUSING
1 11
11
4 44
44
GASKET GASKET
GASKET GASKET GASKET
1 11
11
5 55
55
BEARING & RACE BEARING & RACE
BEARING & RACE BEARING & RACE BEARING & RACE
1 11
11
6 66
66
WAFER PLATE WAFER PLATE
WAFER PLATE WAFER PLATE WAFER PLATE
1 11
11
7 77
77
PIN PIN
PIN PIN PIN
1 11
11
8 88
88
SPACER SPACER
SPACER SPACER SPACER
1 11
11
9 99
99
CYLINDER BLOCK CYLINDER BLOCK
CYLINDER BLOCK CYLINDER BLOCK CYLINDER BLOCK
1 11
11
10 10
10 10 10 PISTON/SHOE ASSY
PISTON/SHOE ASSY
PISTON/SHOE ASSY PISTON/SHOE ASSY PISTON/SHOE ASSY 9
99
99
11 11
11 11 11 SHOE PLATE
SHOE PLATE
SHOE PLATE SHOE PLATE SHOE PLATE
1 11
11
12 12
12 12 12 SPHERICAL WASHER
SPHERICAL WASHER
SPHERICAL WASHER SPHERICAL WASHER SPHERICAL WASHER 1
11
11
13 13
13 13 13 PINS
PINS
PINS PINS PINS
3 33
33
14 14
14 14 14 PIN RETAINER
PIN RETAINER
PIN RETAINER PIN RETAINER PIN RETAINER
1 11
11
15 15
15 15 15 RETAINING RING
RETAINING RING
RETAINING RING RETAINING RING RETAINING RING
1 11
11
16 16
16 16 16 WASHER
WASHER
WASHER WASHER WASHER
1 11
11
17 17
17 17 17 SPRING
SPRING
SPRING SPRING SPRING
1 11
11
18 18
18 18 18 PIN WASHER
PIN WASHER
PIN WASHER PIN WASHER PIN WASHER
1 11
11
19 19
19 19 19 ALIGNMENT PIN
ALIGNMENT PIN
ALIGNMENT PIN ALIGNMENT PIN ALIGNMENT PIN
2 22
22
20 20
20 20 20 SWASH PLATE
SWASH PLATE
SWASH PLATE SWASH PLATE SWASH PLATE
1 11
11
21 21
21 21 21 SHAFT
SHAFT
SHAFT SHAFT SHAFT
1 11
11
22 22
22 22 22 BEARING & RACE
BEARING & RACE
BEARING & RACE BEARING & RACE BEARING & RACE
1 11
11
23 23
23 23 23 RETAINING RING
RETAINING RING
RETAINING RING RETAINING RING RETAINING RING
1 11
11
24 24
24 24 24 SHAFT SEAL (FRONT)
SHAFT SEAL (FRONT)
SHAFT SEAL (FRONT) SHAFT SEAL (FRONT) SHAFT SEAL (FRONT) 1
11
11
25 25
25 25 25 SHAFT SEAL (REAR)
SHAFT SEAL (REAR)
SHAFT SEAL (REAR) SHAFT SEAL (REAR) SHAFT SEAL (REAR) 1
11
11
ITEM DESCRIPTION ITEM DESCRIPTION ITEM DESCRIPTION ITEM DESCRIPTION ITEM DESCRIPTION QTY QTY QTY QTY QTY
Figure 8 Figure 8
Figure 8 Figure 8
Figure 8
3. Clean the outside of the unit thoroughly to prevent entry of dirt into the system.
CAUTION CAUTION CAUTION CAUTION CAUTION
Absolute cleanliness is essential when working on a hydraulic Absolute cleanliness is essential when working on a hydraulic Absolute cleanliness is essential when working on a hydraulic Absolute cleanliness is essential when working on a hydraulic Absolute cleanliness is essential when working on a hydraulic
system. Always work in a clean area. The presence of dirt and
system. Always work in a clean area. The presence of dirt and system. Always work in a clean area. The presence of dirt and system. Always work in a clean area. The presence of dirt and system. Always work in a clean area. The presence of dirt and
foreign materials in the system can result in serious damage or
foreign materials in the system can result in serious damage or foreign materials in the system can result in serious damage or foreign materials in the system can result in serious damage or foreign materials in the system can result in serious damage or
inadequate operation.
inadequate operation. inadequate operation. inadequate operation. inadequate operation.
4. Periodic maintenance of the motor will generally not require disassembly to the extent described below. In general,
disassembly is accomplished in the item number sequence shown in Figure 8 on the next page. Special
procedures are included in the following steps under section B.
NOTE: NOTE: NOTE: NOTE: NOTE: Discard and replace all o-rings, gaskets, and shaft seals removed during disassembly.
B. B. B. B. B. DISASSEMBLY OF PISTON MOTOR ROTATING GROUP AND VALVE BLOCK DISASSEMBLY OF PISTON MOTOR ROTATING GROUP AND VALVE BLOCK DISASSEMBLY OF PISTON MOTOR ROTATING GROUP AND VALVE BLOCK DISASSEMBLY OF PISTON MOTOR ROTATING GROUP AND VALVE BLOCK DISASSEMBLY OF PISTON MOTOR ROTATING GROUP AND VALVE BLOCK
NOTE: NOTE: NOTE: NOTE: NOTE: Refer to Figure 8 on next page throughout this procedure.
1. Remove four screws (1) from valve block (2). Separate valve block (2) and housing (3).
2. Remove gasket (4) then slide tapered roller bearing (5) from the end of shaft (21).
3. Remove wafer plate (6) from valve block (2) then remove pin (7) from valve block.
4. Slide bearing spacer (8) off shaft (21).
21 21
21 21 21
25 25 25 25 25
2 22
22
1 11
11
2 22 22
5 55
55
4 44 44
7 77 77
6 66 66
8 88 88
15 15 15 15 15
16 16 16 16 16
17 17 17 17 17
18 18 18 18 18
13 13
13 13
13
9 99
99
12 12 12 12 12
14 14
14 14
14
10 10 10 10 10
11 11
11 11 11
20 20
20 20
20
21 21 21 21 21
22 22 22 22 22
19 19 19 19 19
3 33 33
24 24 24 24 24
23 23 23 23 23
NOTE: -30 design NOTE: -30 design NOTE: -30 design NOTE: -30 design NOTE: -30 design
units have a drain
units have a drain units have a drain units have a drain units have a drain
opening on top and at
opening on top and at opening on top and at opening on top and at opening on top and at
bottom of valve block.
bottom of valve block. bottom of valve block. bottom of valve block. bottom of valve block.
-20 and -21 designs
-20 and -21 designs -20 and -21 designs -20 and -21 designs -20 and -21 designs
have one drain
have one drain have one drain have one drain have one drain
opening. Also,
opening. Also, opening. Also, opening. Also, opening. Also,
housing and gasket
housing and gasket housing and gasket housing and gasket housing and gasket
are slightly different
are slightly different are slightly different are slightly different are slightly different
from that shown.
from that shown. from that shown. from that shown. from that shown.