Lemmer DC2000 - DC-7700 PARTS DIAGRAM; Torque Specs, Remote Suction Parts, Packing Kit

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DC-7700 PARTS DIAGRAM
Jan11
Important, following items require accurate torques:
#46 packing nut ...................... 25 ft/lbs
#67 S.V. hex nut ..... blue locktite & 12 ft/lbs
#76 inlet housing .........snug + 1/4 turn
Caution: Do Not use high
pressure water spray against
the electric control box.
Caution: Only use fibre braid
high pressure airless hose. Do
Not use steel braid hose! Min tip
0.015", min hose 50' x 3/8" or
100' x 1/4".
Packing Kit
130
16
17
18
15
14
13
12
19
11
26
25
24
23
22
21
36
37
38
35
34
33
32
39
31
46
48
45
42
49
41
6
7
8
5
4
3
2
1
20
30
40
50
56
54
53
52
51
60
62
61
130
130
49
49
50
57
58
50
59
50
59
67
76
65
64
63
77
70
66
75
74
73
72
71
84
85
78
83
82
81
80
79
96
97
90
95
94
92
91
98
99
86
87
88
89
93
106
107
100
105
104
103
102
101
108
109
116
117
110
115
114
113
112
111
118
119
126
120
125
124
123
122
121
107
108
Note: After every 2000 gallons
of paint sprayed, tighten the
inlet housing 1/8 of a turn
(clockwise) to reset the spring
tension on the packings.
#86 O-ring Repair
L045-893 -install tool (required to
push o-ring over ball end)
L045-868 -viton o-ring (standard)
L045-894 -teflon o-ring (hot water
to install & cold to re-shrink)
Parts for remote suction
1x L036-017 - Connector 3/4" x 1"
1x L035-584 - Elbow 90˚ 3/4" F
1x L035-734 - Coupler 1" Hose x 3/4" M
-- or --
1x L035-733 - Coupler 3/4" Hose x 3/4" M
L045-892 - Grease nipple
(1/4" 28 SAE Lt, straight)
128
129
128
For units blowing lower mono-
packing/o-ring in strong
solvent. Use 2x L045-294 teflon
ring. Gently stretch one so it sits
securely in pump cylinder above
lower packing. Soften the other in
very hot water, remove rubber o-
ring from lower packing, then
gently stretch teflon ring into
groove from bevel side.
Install upper mono
packing with raised
lip facing down.
Raised lip
Silver coarse thread
Cap = L045-799
Base = L045-798
Black fine thread
Cap = L056-602
Base = L045-861
DC7700 LP parts list. Pos 10-22
supercede to L numbers. All
other parts can be found in the
operators manual.
Stacked Packing DC7700 has black HP filter, and is older version
Mono Packing DC7700 has silver HP filter, and is newest version
Install lower mono-packing
with side that has the o-ring
closest to the top facing up.
m
i
Closer
new mono = 21mm high.
old stacked = 25.8 high.
L045-837 stacked nut can be
substituted with the L045-797
mono nut plus the L045-898
spacer shown here.