Hydraulic Manifold Component And Port Identification; Main Manifold; Auto-Reset Brake Manifold; Quick Brake Manifold - Skyjack SJ-7027 Operating, Maintenance And Parts Manual

TO BRAKE
MANIFOLD
2H-14B
LIFT VALVE
R1
SYSTEM
RELIEF
VALVE
O1
LOWERING
ORIFICE
TO
RETURN
FILTER
TO
SMALL
PUMP TO
LARGE
TO
PUMP
EMERGENCY
LOWERING
CV1
VALVE
CHECK
VALVE
2H-17A
LARGE PUMP
DUMP VALVE
SECTION 3, Page 8
FIGURE 3.2-3. HYDRAULIC MANIFOLD COMPONENT AND PORT IDENTIFICATION
TO STEER
TO CENTER
CYLINDER
DRIVE
4H-16B
FORWARD
DRIVE
VALVE
CV3
CHECK
VALVE
R2
LIFT
RELIEF
VALVE
2H-18A
SMALL PUMP
DUMP VALVE
2H-30A-2
BRAKE FEED
VALVE
FIGURE 3.2-3A. MAIN MANIFOLD
TO HYDRAULIC
4H-23A
LEFT STEER
VALVE
(shown)
4H-24A
RIGHT STEER
VALVE
TO EMERGENCY
TO
LIFT
MANIFOLD
2H-25
BRAKE
VALVE
FIGURE 3.2-3B.
TO MAIN
TO MANIFOLD
CENTER
TO BRAKE
DRIVE
CYLINDER
4H-15B
TO HYDRAULIC
REVERSE
OIL TANK
DRIVE
VALVE
2H-30A-1
BRAKE DUMP
VALVE
2H-13B
MAIN LOWERING
VALVE
EMERGENCY
LOWERING
MANIFOLD
FIGURE 3.2-3C. . QUICK BRAKE MANIFOLD (Serial Number 30166 and Below)
June 2001
TO MAIN
OIL TANK MANIFOLD
LOWERING
MANIFOLD
AUTO-RESET BRAKE MANIFOLD (Serial Number 30167 and Above)
2H-25
QUICK BRAKE
VALVE
HP2
HAND
PUMP
TO
SJ-600 Series Engine Powered
TO BRAKE
CYLINDER
MB7
AUTO-RESET
BRAKE MANIFOLD
BLOCK
V6
AUTO-RESET
VALVE
HP2
HAND
PUMP
2H-10A
BRAKE LOCK
VALVE
MB7A
QUICK BRAKE
MANIFOLD
BLOCK
112715