Section 230-0121
Body System - Pilot Supply Valve
2
SM 1954 4-00
REMOVAL
Numbers in parentheses refer to Fig. 1.
WARNINGS
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of adequate capacity to do the job
safely.
Hydraulic fluid pressure will remain
within the body hoist system after engine
shutdown. To prevent personal injury and
property damage, press and hold down body
hoist bleed down switch and operate the body
control joystick continually to relieve pressure
in the system.
1. Position the vehicle in a level work area, apply the
parking brake and switch off the engine.
2. Press and hold down body hoist bleed down switch
and operate the body control joystick continually to
relieve pressure in the body hoist system.
3. Block all road wheels, place the steering lock bar in
the 'Locked' position and the battery master switch in
the 'Off' position.
4. Remove hydraulic tank anti-spill drain cap, install
drain tube connection and drain oil into a suitable
container. Remove drain tube connection and reinstall
cap.
5. Clean pilot valve (1) and surrounding area with a
suitable solvent. Ensure all hydraulic lines connected
to pilot valve (1) are identified for ease of installation
and, with suitable containers available to catch
leakage, disconnect hydraulic lines. Fit blanking caps
to all open lines.
6. Remove bolts (24) and lockwashers (25) securing
pilot valve (1) to mounting bracket. Remove pilot valve
(1).
DISASSEMBLY
Numbers in parentheses refer to Fig. 1.
1. Note location of tee pieces (26) and adaptors (23)
and remove from valve body (1) and reducer (22).
2. Remove reducer (22) and 'O' ring (21) from valve
body (1). Discard 'O' ring (21).
3. Remove plug (7) and 'O' ring (8) from valve body
(1). Remove valve seat (9), 'O' ring (10) and spacer
(11) from valve body (1). Discard 'O' rings (8 & 10).
4. Remove adaptor (18) and 'O' ring (17) from valve
body (1). Discard 'O' ring (17). If necessary remove
plug (19) from adaptor (18).
5. Remove spring guide (15) and 'O' ring (14) from
valve body (1). Discard 'O' ring (14).
6. Withdraw spring (13) and pilot (12) from valve body (1).
7. Remove spring cover (2) and 'O' ring (3) from valve
body (1). Discard 'O' ring (3).
8. Withdraw control spring (4), spring guide (5) and
control spool (6) from valve body (1).
INSPECTION
Numbers in parentheses refer to Fig. 1.
1. Clean all parts with a suitable solvent and dry with
compressed air.
2. Check ports threads and make sure they are not
damaged or stripped.
3. Check valve seat (9), pilot (12), control spool (6)
and spring guide (5). Ensure they are not worn,
nicked, cracked or scored.
ASSEMBLY
Numbers in parentheses refer to Fig. 1.
1. Install new 'O' ring (3) to spring cover (2). Install
control spool (6), spring guide (5) and control spring
(4) into its bore in valve body (1).
2. Install pilot (12) and spring (13) into its bore in valve
body (1). Install new 'O' ring (14) to spring guide (15)
and install in valve body (1).
3. Install new 'O' ring (8) to plug (7). Install spacer
(11), new 'O' ring (10) and valve seat (9) into its bore
in valve body (1). Install plug (7) in valve body (1).
4. Install new 'O' ring (17) to adaptor (18). Install
adaptor (18) in valve body (1). If removed, install plug
(19) in adaptor (18).
5. Install new 'O' ring (21) to reducer (22). Install
reducer (22) in valve body (1).
Содержание TA30
Страница 2: ...Courtesy of Machine Market ...
Страница 4: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 6: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 12: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 18: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 32: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 46: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 50: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 52: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 60: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 64: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 70: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 98: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 104: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 152: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 164: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 170: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 176: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 182: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 188: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 194: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 200: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 204: ...Section 190 0000 4 SM 1946 4 00 SM 2458A Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 205: ...Section 190 0000 SM 1946 4 00 5 SM 2458B Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 206: ...Section 190 0000 6 SM 1946 4 00 SM 2458C Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 207: ...Section 190 0000 SM 1946 4 00 7 SM 2458D Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 208: ...Section 190 0000 8 SM 1946 4 00 SM 2458E Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 209: ...Section 190 0000 SM 1946 4 00 9 SM 2458F Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 210: ...Section 190 0000 10 SM 1946 4 00 SM 2458G Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 211: ...Section 190 0000 SM 1946 4 00 11 SM 2458H Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 212: ...Section 190 0000 12 SM 1946 4 00 SM 2458I Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 214: ...Section 190 0000 14 SM 1946 4 00 SM 2458K Electrical System Circuit Diagrams Courtesy of Machine Market ...
Страница 240: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 250: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 270: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 280: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 304: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 310: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 320: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 332: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 348: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 352: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 356: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 362: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 394: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...
Страница 402: ...THIS PAGE IS INTENTIONALLY LEFT BLANK Courtesy of Machine Market ...