![Labrie EXPERT Скачать руководство пользователя страница 236](http://html1.mh-extra.com/html/labrie/expert/expert_maintenance-manual_3202928236.webp)
226
General Maintenance
18.
Remove the dust boot and seal plate.
19.
Pull the spool out of the valve work section by grasping the valve spool actuator and gently
pulling it out.
20.
Using an o-ring pick, remove and discard the o-rings and back-up rings from the spool and/or
valve body.
21.
Clean and inspect the valve spool, the bore and seal seats in the valve body, and the seal and dust
boot retaining plates for cracks, abnormal wear, rust, or uneven surfaces.
22.
Clean and inspect the dust boot for damage, cracking or swelling.
The dust boots are not included with the seal kits. Replace if necessary with Labrie part number
HYV02887 dust boot.
N
OTE
:
LabriePlus part number HYJ04104 seal kit contains an o-ring marked with a red or orange dot.
This is not to be used and should be discarded.
23.
Lubricate a spool backup ring and seal with petroleum jelly and install them onto the valve spool,
backup ring first, using care not to cut them on the spool lands.
24.
Slide the backup ring and seal against the seal retainer plate on the actuator.
25.
Lubricate the spool with clean hydraulic oil and slide it into the valve body gently, seating the o-
ring into the valve body seal recess.
26.
Using petroleum jelly, lubricate and install the o-ring then back-up ring onto the spool eye end of
the valve spool.
27.
Using the seal retaining plate, press the spool seal and backup ring into the valve body recess.
28.
Ensure the actuator is properly attached to the valve spool, and position the actuator with the
breather hole in the actuator sleeve pointing toward the bottom of the valve, and pneumatic ports
correctly positioned (air actuated models).
29.
Tighten the actuator retaining hardware to 32-36 in-lbs (3.6-4.1 Nm).
30.
Install the spool eye end seal retaining plate and dust boot, and tighten the retaining hardware to
32-36 in-lbs (3.6-4.1 Nm).
31.
Repeat steps 16 through 30 with the remaining valve work sections.
Valve Installation, Testing and Adjustment
1.
Clean the valve mounting plate and install it to the valve assembly.
2.
Tighten the hardware securing the valve to the mounting plate to 85 ft-lbs (118 Nm).
3.
Using a suitable lifting device, reinstall the valve assembly to the body.
4.
Tighten the hardware securing the valve or valve mounting plate to the body to 85 ft-lbs
(118Nm).
5.
Install the hoses that were previously labeled to their respective fittings.
6.
Install and tighten the hydraulic tank fill cap.
7.
Operate all functions until the hydraulic fluid is at operating temperature, and check for leaks.
8.
Attach a 0-4,000 PSI hydraulic gauge on the test port of the inlet cover.
9.
Start the truck and engage the pump.
10.
Check and adjust pressures (refer to “Hydraulic Pressures” on page 288).
Содержание EXPERT
Страница 1: ...EXPERT TM MAINTENANCE MANUAL...
Страница 2: ......
Страница 3: ...EXPERT MAINTENANCE MANUAL...
Страница 10: ...viii Table of Contents...
Страница 18: ...8 Introduction...
Страница 244: ...234 General Maintenance...
Страница 251: ...Lubrication 241 Figure 4 11 Glass compartment lubrication chart optional...
Страница 252: ...242 Lubrication Figure 4 12 EXPERT lubrication chart...
Страница 261: ...Lubrication 251 Figure 4 27 Packer lubrication points 2 Grease fitting LH side front cylinder pin...
Страница 263: ...Lubrication 253 Pump Drive Shaft U Joint Figure 4 30 Pump drive shaft lubrication points Grease fittings...
Страница 264: ...254 Lubrication...
Страница 320: ...310 Hydraulic System...
Страница 357: ...Troubleshooting 349...
Страница 358: ...350 Troubleshooting...
Страница 386: ...378 Multiplexing...
Страница 388: ...380 Lifting Arms Figure 10 1 Mounting bolts Figure 10 2 Wear pads Figure 10 3 Helping Hand gripper...