40
Assemble valve components onto shaft (401) in the following order.
11. With the 45° degree side of sleeve (408) facing left, slide
restrictor poppet (402) onto the left side with the bevel portion
of poppet facing the sleeve.
12. Slide spring (422) on next followed by poppet assembly with
large end towards sleeve. Insert pin (414) into shaft (401) to
retain components (do not bend).
13. From the back of the valve body, carefully slide this assembly
into valve body. Use fingers to press poppet seat into valve
body.
14. Insert retainer ring (429) into valve body.
NOTICE
The flats on shaft (401) must be
facing the left (or pilot valve) side
of the valve body.
(Dwg. MHP1154)
Move to the front of the valve body
15. Slide exhaust poppet (420) over shaft (401), from the front of
the valve body. Push into valve body, followed by spring
(422).
16. Slide poppet assembly on to shaft (401). Use fingers to press
poppet seat into valve body.
17. Install retainer ring (429) into valve body.
(Dwg. MHP1155)
18. At the rear of the valve, use washers (434) as required to
establish a clearance between pin (406) and inlet poppet (423),
of 0.03 to 0.05 inches (0.8 to 1.3 mm). Then press pin into
shaft (401) until pin is level with top of washer(s).
19. At the front of the valve, use washers (434) as required to
establish a clearance between the washers and inlet poppet
(423) of 0.06 to 0.12 inches (1.5 to 3 mm). Then insert cotter
pin (414) into shaft and bend ends over.
20. Place ‘O’ rings (430) into grooves on both piston valves (431)
and lubricate.
(Dwg. MHP1181)
Section 4
Poppet Assembly
Restrictor Poppet
Valve Shaft
Poppet
Assembly
Exhaust
Poppet
0.06 to 0.12
(1.5 to 3 mm)
0.03 to 0.05
(0.8 to 1.3 mm)
Summary of Contents for FA5A
Page 10: ...10 DISC BRAKE PARTS DRAWING Dwg MHP0667 Dwg MHP0630 One Way Clutch Detail Section 1...
Page 19: ...19 Section 2 SERVICE NOTES...
Page 54: ...54 REDUCTION GEAR ASSEMBLY PARTS DRAWING Dwg MHP1221 Section 5...
Page 57: ...57 SERVICE NOTES...
Page 58: ...58 SERVICE NOTES...
Page 59: ...59 SERVICE NOTES...
