Maxon DMD series Maintenance Manual

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
11
TABLE 11-1
PM Interval: 3 Months Date: / /
Equipment: W/O # Location:
Mechanic: Serial # Model #
Check Appropriate Box. “
□”
MAXON Quarterly / 1250 Cycles Liftgate Preventative Maintenance (PM) Procedures
□ Satisfactory □ Repair required □ Corrected
1
Verify if the Quarterly or Annual PM is due by checking the PM sticker on
the curbside Liftgate column.
□ Satisfactory □ Repair required □ Corrected
2 Check for oil leaks at: cylinders, valves, and fi ttings.
□ Satisfactory □ Repair required □ Corrected
3 Check for damage: platform, column, runners and hydraulic tubes.
□ Satisfactory □ Repair required □ Corrected
4 Check for loose or missing nuts, bolts, covers, roll pins, screws and pins.
□ Satisfactory □ Repair required □ Corrected
5
Check for cracked welds at: columns, runners, platform, main housing and
vehicle door frame.
□ Satisfactory □ Repair required □ Corrected
6
Check platform lowering speed: Range is 16 - 30 seconds. Check cylinder
lock valves for proper operation.
□ Satisfactory □ Repair required □ Corrected
7 Check platform pins and couplers.
□ Satisfactory □ Repair required □ Corrected
8 Check platform raising speed: Range is 12-13 seconds.
□ Satisfactory □ Repair required □ Corrected
9 Check that platform unlatches, unfolds & folds smoothly & latches securely.
□ Satisfactory □ Repair required □ Corrected
10
Check switches and wiring connections on Liftgate as well as pump inside
main housing. Also check ground straps.
□ Satisfactory □ Repair required □ Corrected
11
Check the gear pump for unusual noise, i.e. squealing or extreme RPM
output.
□ Satisfactory □ Repair required □ Corrected
12
Checking Oil Level: gravity down with the platform unfolded and on the
ground. Oil level should be as shown in Installation Manual, “CHECKING
HYDRAULIC FLUID”. Check for contamination, change if needed.
□ Satisfactory □ Repair required □ Corrected
13 Check batteries: fully charged, load test, corrosion, cables, and hold downs.
□ Satisfactory □ Repair required □ Corrected
14 Check all charging and ground cable connections.
□ Satisfactory □ Repair required □ Corrected
15
Complete a new PM sticker and install it on the curbside column of the
Liftgate. The next PM date is 3 months from the completed PM date.
Indicate on the PM sticker if 1
st
, 2
nd
, 3
rd
or 4
th
PM.
□ Satisfactory □ Repair required □ Corrected
16
Check that platform latch and transit hook mechanisms work correctly and
no parts are missing.
□ Satisfactory □ Repair required □ Corrected
17
Check clearance between main housing & bottom plates of fl ipover section
with platform stowed. Refer to MEASURE & ADJUST CLEARANCE FOR
PLATFORM WITH FLIPOVER in PERIODIC MAINTENANCE section. Do
the adjustment if clearance is incorrect.
□ Satisfactory □ Repair required □ Corrected
18
Check clearance between main housing & bottom plates of fl ipover section
Check platform and fl ipover for cracks, holes, and bends on the load
carrying surfaces and side plates. Also, make sure retention ramps
and carts stops (if equipped) are undamaged and operate smoothly.
MAXON Annual / 5000 Cycles Liftgate Preventative Maintenance (PM) Procedures
□ Satisfactory □ Repair required □ Corrected
18 Change hydraulic fl uid.
□ Satisfactory □ Repair required □ Corrected
19 Inspect wear on slide pads.
For more detailed information, refer to the Parts Portal on the Maxon website for genuine MAXON
replacement parts.
PREVENTATIVE MAINTENANCE (PM) CHECKLIST
PERIODIC MAINTENANCE

Maxon DMD series Specifications

General

Category	Automobile Accessories
Type	Car Multimedia Player
Display	Touchscreen
Bluetooth	Yes
USB Port	Yes
AUX Input	Yes
GPS Navigation	Yes
Compatibility	Universal
Power Output	4x45W
Radio	FM/AM