Lull 944E-42 Service Manual - Manual (Page 262)

Hydraulic System
8.10 Model 644E-42/944E-42 Rev. 6/04
8.6 HYDRAULIC PRESSURE DIAGNOSIS
JLG Parts Department has two kits available to use for
hydraulic system maintenance and troubleshooting; the
Pressure Test Kit and the Flowmeter Kit. The kits are
contained in a durable polyethylene carrying case for
demanding field service conditions.
Pressure Test Kit
The hydraulic pressure test kit (1) is used to pressure test
the various hydraulic components in the hydraulic
system. The kit includes:
• Gauges for testing high and low pressure circuits
• Fittings, couplers and hoses
• Laminates of test diagrams and test procedures
• 13" x 18" x 7" durable carrying case
Flowmeter Kit
The flowmeter test kit (2) is used to pinpoint hydraulic
system faults. It includes a flowmeter with load valve,
magnetic base, photo tachometer head and flex arm. The
kit features:
• Bi-directional for unrestricted connection and
simplified testing
• Internal by-pass to protect system and tester from
over-pressure
• Measures up to 60 GPM and 6000 psi (414 bar)
• 16" x 22" x 7" durable carrying case
Contact JLG Parts Department at 717-485-6472 for
ordering information.
PH14102
1
Part
Number
Description Approximate
Weight
Price and
Availability
7133413 Hydraulic Pressure Test Kit 16 lbs. Consult Factory
1321107 Hydraulic Flowmeter Kit 28 lbs. Consult Factory
PH14202
2